Weather in Portsmouth Heights
14-day forecast · updated today, Wednesday, October 28, at 7:06 pm (EDT)- Feels like
- 64 °F
- Low / high
- 55 / 73 °F
- Rain
- 3%
- Wind
- 4 mph ENE
Today in Portsmouth Heights: overcast, 55 °F to 73 °F, with a 3% chance of rain and a light breeze from the east-northeast (4 mph). Tomorrow, overcast, 57 °F to 72 °F and a 6% chance of rain. The warmest day of the week is Friday 30, at 77 °F. Next likely rain: Wednesday 4 (18%).
Temperatures for the next 14 days
- Today
- Thu 29
- Fri 30
- Sat 31
- Sun 1
- Mon 2
- Tue 3
- Wed 4
- Thu 5
- Fri 6
- Sat 7
- Sun 8
- Mon 9
- Tue 10
Day by day
| Day | Sky | Low / high | Rain | Max wind | Max wave | High tides | Model |
|---|---|---|---|---|---|---|---|
| Today · 28 | 55 / 73 °F | 3% | 10 mph NE | 0.4 ft | 11:25 am · 11:50 pm | HRRR | |
| Thu 29 | 57 / 72 °F | 6% · 0.03 in | 6 mph NE | 0.3 ft | 12:20 pm | HRRR + NBM | |
| Fri 30 | 52 / 77 °F | 0% | 5 mph NNW | 0.1 ft | 12:44 am · 1:18 pm | NBM | |
| Sat 31 | 54 / 62 °F | 0% | 9 mph NNE | 0.8 ft | 1:41 am · 2:18 pm | NBM | |
| Sun 1 | 53 / 68 °F | 2% | 7 mph E | 0.3 ft | 1:40 am · 2:19 pm | NBM | |
| Mon 2 | 55 / 69 °F | 14% · 0.02 in | 7 mph ENE | 0.1 ft | 2:42 am · 3:22 pm | NBM | |
| Tue 3 | 58 / 71 °F | 13% · 0.02 in | 11 mph ENE | 0.1 ft | 3:50 am · 4:29 pm | NBM | |
| Wed 4 | 60 / 73 °F | 18% · 0.07 in | 11 mph ENE | 0.1 ft | 4:58 am · 5:30 pm | NBM | |
| Thu 5 | 60 / 72 °F | 30% · 0.43 in | 12 mph ESE | 1.0 ft | 5:57 am · 6:23 pm | NBM | |
| Fri 6 | 58 / 69 °F | 22% · 0.27 in | 10 mph W | 2.1 ft | 6:47 am · 7:10 pm | NBM | |
| Sat 7 | 53 / 65 °F | 16% · 0.06 in | 9 mph NNW | 2.6 ft | 7:32 am · 7:54 pm | NBM | |
| Sun 8 | 51 / 62 °F | 10% | 11 mph N | 2.4 ft | 8:14 am · 8:35 pm | NBM + ECMWF | |
| Mon 9 | 51 / 60 °F | 8% | 11 mph NNE | 2.6 ft | 8:53 am · 9:14 pm | ECMWF | |
| Tue 10 | 50 / 64 °F | 16% | 7 mph NNE | 1.9 ft | 9:31 am · 9:52 pm | ECMWF |
Each hour comes from the best model for this spot: HRRR until Thursday 29 2:00 pm; then NBM until Sunday 8 2:00 pm; then ECMWF until Thursday 12 10:00 am; then GFS.
Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.
Today, every 3 hours
| Time | 12:00 am | 3:00 am | 6:00 am | 9:00 am | 12:00 pm | 3:00 pm | 6:00 pm | 9:00 pm |
|---|---|---|---|---|---|---|---|---|
| Sky | Clear | Clear | Clear | Clear sky | Mainly clear | Mainly clear | Partly cloudy | Mainly clear |
| Temperature | 56° | 55° | 56° | 61° | 71° | 71° | 65° | 59° |
| Chance of rain | 0% | 0% | 0% | 3% | 0% | 0% | 0% | 0% |
| Rain | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in |
| Wind (mph) | 2 NE | 4 NNE | 3 NE | 4 NE | 9 ENE | 9 ENE | 7 ENE | 3 NE |
| Humidity | 86% | 89% | 92% | 91% | 55% | 59% | 75% | 91% |
| UV | 0 | 0 | 0 | 1 | 4 | 2 | 0 | 0 |
| Model | HRRR | HRRR | HRRR | HRRR | HRRR | HRRR | HRRR | HRRR |
Do the models agree?
High confidenceThe models agree for the next few days: the forecast is fairly solid.
What 6 forecast models say for the next few days. The closer they are, the more reliable the forecast.
| High (°F) | Today | Thu 29 | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 |
|---|---|---|---|---|---|---|---|
| ECMWF | 70° | 71° | 75° | 62° | 67° | 72° | 72° |
| AIFS | 69° | 72° | 77° | 64° | 66° | 68° | 69° |
| GFS | 71° | 75° | 79° | 65° | 71° | 65° | 65° |
| ICON | 70° | 71° | 76° | 64° | 69° | 71° | 66° |
| HRRR | 73° | 71° | — | — | — | — | — |
| NBM | 69° | 72° | 77° | 62° | 68° | 69° | 71° |
| Confidence | high | high | high | high | high | high | medium |
| Rain | Today | Thu 29 | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 |
|---|---|---|---|---|---|---|---|
| ECMWF | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| AIFS | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| GFS | 0 | 0 | 0 | 0 | 0 | 0.04 in | 0.73 in |
| ICON | 0 | 0 | 0 | 0 | 0 | 0 | 0.32 in |
| HRRR | 0 | 0.03 in | — | — | — | — | — |
| NBM | 0 | 0 | 0 | 0 | 0 | 0.02 in | 0.02 in |
| Confidence | high | high | high | high | high | high | low |
| Wind (mph) | Today | Thu 29 | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 |
|---|---|---|---|---|---|---|---|
| ECMWF | 818 | 514 | 614 | 920 | 525 | 517 | 820 |
| AIFS | 9 | 6 | 7 | 10 | 6 | 6 | 9 |
| GFS | 917 | 613 | 1123 | 1023 | 914 | 1124 | 1128 |
| ICON | 819 | 512 | 717 | 921 | 614 | 615 | 817 |
| HRRR | 1015 | 613 | — | — | — | — | — |
| NBM | 914 | 57 | 59 | 915 | 711 | 711 | 1118 |
| Confidence | high | high | high | high | high | high | high |
Chance of rain from the ensemble models
| Model | Today | Thu 29 | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 |
|---|---|---|---|---|---|---|---|
| ECMWF (51 scenarios) | 0% | 0% | 0% | 0% | 0% | 2% | 4% |
| GFS (GEFS, 31 scenarios) | 0% | 0% | 0% | 0% | 4% | 27% | 30% |
| NBM (NOAA) | 3% | 6% | 0% | 0% | 2% | 14% | 13% |
| Thunderstorm (NBM) | 0% | 0% | 0% | 0% | 1% | 3% | 1% |
Each model's day runs midnight to midnight local time; models that reach fewer days are left blank. Rain: daily total. Wind: the day's highest average wind and, in small type, the strongest gust. Highlighted: values that stand out from the rest. The chance of rain comes from many runs of the same model with slightly different starting data.
Outlook
How the coming weeks and months compare with what is normal for the time of year. It is a trend, not a day-by-day forecast.
Next few weeks, compared with normal: warmer and a bit wetter.
Next 6 weeks
| When | TemperatureTemp. | Rain | Typical high / low |
|---|---|---|---|
| Nov 2 – Nov 8Nov 2–Nov 8 | Well above +7.0 °F | Above +65% | — |
| Nov 9 – Nov 15Nov 9–Nov 15 | Normal +0.2 °F | Normal | 61° / 47° |
| Nov 16 – Nov 22Nov 16–Nov 22 | A bit above +2.2 °F | Normal | 61° / 48° |
| Nov 23 – Nov 29Nov 23–Nov 29 | A bit above +2.2 °F | A bit above +35% | 58° / 47° |
| Nov 30 – Dec 6Nov 30–Dec 6 | A bit above +1.6 °F | A bit above +43% | 56° / 45° |
Coming months
| When | TemperatureTemp. | Rain |
|---|---|---|
| November | A bit above +1.6 °F | A bit above +36% |
| December | A bit above +1.6 °F | A bit above +23% |
| January | A bit above +1.8 °F | Above +51% |
| February | Normal +0.7 °F | A bit above +48% |
| March | A bit above +1.3 °F | A bit above +32% |
Weeks: ECMWF 46-day (average of its scenarios), against the normal of the last 20 years for those dates. Months: ECMWF SEAS5. Rain: total against normal. The further ahead, the closer it gets to normal and the less detail it can give. The long-range sea temperature isn't usable at this spot (the model's grid cell falls on land).
Portsmouth Heights climate by monthClimate by month
Normal weather for each month (1991–2020 averages)The best time to visit Portsmouth Heights is from September to October and from April to June: highs of 70 °F to 85 °F, about 9 rainy days a month and 6 hours of sunshine a day.
Hurricane season: from July to September, peaking in September. In the last 30 years (1996–2025), 20 tropical cyclones passed within 93 mi of Portsmouth Heights, about 7 every 10 years; 5 of them with hurricane-force winds (74 mph or more). The most recent: Ophelia, in September 2023.
- JanJ
- FebF
- MarM
- AprA
- MayM
- JunJ
- JulJ
- AugA
- SepS
- OctO
- NovN
- DecD
- Highs and lows
- Monthly rainfall
- Best time
| Month | High | Low | Rain | Rainy daysDays | Sun (h/day) | Water | Waves | Cyclones |
|---|---|---|---|---|---|---|---|---|
| JanuaryJan | 50° | 33° | 3.70 in | 8 | 4.5 | 44° | 2.1 ft | – |
| FebruaryFeb | 54° | 35° | 3.24 in | 7 | 4.9 | 41° | 2.1 ft | – |
| MarchMar | 61° | 41° | 3.93 in | 9 | 5.9 | 45° | 2.2 ft | – |
| AprilApr | 70° | 49° | 3.44 in | 8 | 6.8 | 54° | 2.1 ft | – |
| MayMay | 78° | 59° | 4.02 in | 10 | 7.3 | 63° | 1.8 ft | – |
| JuneJun | 85° | 68° | 4.60 in | 11 | 7.4 | 72° | 1.5 ft | 1 |
| JulyJul | 89° | 72° | 5.64 in | 14 | 7.5 | 78° | 1.4 ft | 5 |
| AugustAug | 87° | 70° | 5.19 in | 12 | 6.9 | 79° | 1.5 ft | 5 |
| SeptemberSep | 81° | 65° | 5.21 in | 10 | 6.0 | 76° | 2.1 ft | 8 |
| OctoberOct | 73° | 54° | 4.33 in | 7 | 5.5 | 68° | 2.2 ft | 1 |
| NovemberNov | 62° | 43° | 3.36 in | 7 | 4.9 | 57° | 2.3 ft | – |
| DecemberDec | 55° | 36° | 3.70 in | 8 | 4.1 | 49° | 2.0 ft | – |
| Month | Water | Waves | Cyclones |
|---|---|---|---|
| Jan | 44° | 2.1 ft | – |
| Feb | 41° | 2.1 ft | – |
| Mar | 45° | 2.2 ft | – |
| Apr | 54° | 2.1 ft | – |
| May | 63° | 1.8 ft | – |
| Jun | 72° | 1.5 ft | 1 |
| Jul | 78° | 1.4 ft | 5 |
| Aug | 79° | 1.5 ft | 5 |
| Sep | 76° | 2.1 ft | 8 |
| Oct | 68° | 2.2 ft | 1 |
| Nov | 57° | 2.3 ft | – |
| Dec | 49° | 2.0 ft | – |
Days: rainy days in the month. Sun: hours a day.
A normal year brings 50.37 in of rain on about 110 days and about 2,200 hours of sunshine.
Cyclones: how many tropical cyclones (tropical storms, hurricanes and typhoons) passed within 93 mi in each month from 1996 to 2025, according to IBTrACS (NOAA).
1991–2020 averages. Highs, lows and rainfall: TerraClimate; rainy days (0.04 in or more): NASA POWER (MERRA-2); sunshine hours: estimated from solar radiation; water: NOAA OISST; waves (average height): ERA5, 2011–2020. Normals are not a forecast: any given year can turn out very different. Sources and licenses
Temperature
It's 63 °F now (feels like 64 °F). Today, 55 °F to 73 °F; tomorrow, 57 °F to 72 °F.
Chance of rain
Today the chance of rain reaches 3%. The next day with likely rain is Wednesday 4: 18% and 0.07 in.
Recent rain: last 24 hours, 0.00 in; last 3 days, 0.00 in; last 7 days, 0.01 in.
Humidity and dew point
Humidity is 85% now and the dew point is 58 °F.
The dew point is the temperature at which the air becomes saturated: the higher it is, the heavier the air feels.
Visibility and fog
Visibility is good now (9.9 mi). No fog expected today.
UV index
Thu 29: 4 · Fri 30: 4 · Sat 31: 4
| Index | Level | What to do |
|---|---|---|
| 0–2 | low | No special protection needed. |
| 3–5 | moderate | Hat, sunglasses and sunscreen around midday. |
| 6–7 | high | Sunscreen, hat and shade between 12 and 4 pm. |
| 8–10 | very high | Avoid the midday sun; reflection off the water adds to it. |
| 11+ | extreme | Avoid the sun between 11 am and 5 pm; protect yourself even if it is cloudy. |
Reflection off water and sand adds radiation: protect yourself more on a boat or at the beach.
Barometric pressure
- ↗ Rising Anglers say fish bite less for a while
- → Steady · now Anglers expect normal activity
- ↘ Falling Anglers say fish feed more before the change
Steady now (0.00 inHg in 3 hours). Over the next 48 hours: −0.16 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.
Air and pollen
Previous days
The weather over the last 30 days, as the models analyzed it. Tap a day to see it hour by hour.
| Day | Sky | Low / high | Rain | Max wind |
|---|---|---|---|---|
| Tue 27 | Mainly clear | 46 / 71 °F | 0 | 6 mph N |
| Mon 26 | Mainly clear | 48 / 67 °F | 0 | 6 mph NNW |
| Sun 25 | Clear sky | 52 / 66 °F | 0 | 10 mph NE |
| Sat 24 | Partly cloudy | 53 / 65 °F | 0 | 11 mph NE |
| Fri 23 | Light drizzle | 49 / 66 °F | 0.01 in | 11 mph NNE |
| Thu 22 | Mainly clear | 48 / 66 °F | 0 | 8 mph NNW |
| Wed 21 | Clear sky | 54 / 64 °F | 0 | 13 mph N |
Show all 30 days
| Day | Sky | Low / high | Rain | Max wind |
|---|---|---|---|---|
| Tue 20 | Clear sky | 53 / 69 °F | 0 | 13 mph N |
| Mon 19 | Overcast | 53 / 64 °F | 0 | 15 mph NNE |
| Sun 18 | Overcast | 51 / 60 °F | 0 | 14 mph NNE |
| Sat 17 | Light rain | 53 / 71 °F | 0.92 in | 17 mph N |
| Fri 16 | Partly cloudy | 64 / 85 °F | 0 | 10 mph SSW |
| Thu 15 | Overcast | 66 / 72 °F | 0 | 11 mph NNE |
| Wed 14 | Mainly clear | 65 / 87 °F | 0 | 7 mph SW |
| Tue 13 | Overcast | 56 / 81 °F | 0 | 6 mph SW |
| Mon 12 | Overcast | 63 / 73 °F | 0 | 14 mph WNW |
| Sun 11 | Light rain | 69 / 78 °F | 0.67 in | 14 mph SSE |
| Sat 10 | Light drizzle | 62 / 72 °F | 0.05 in | 11 mph ENE |
| Fri 9 | Overcast | 63 / 78 °F | 0 | 5 mph NE |
| Thu 8 | Overcast | 55 / 83 °F | 0 | 7 mph SW |
| Wed 7 | Overcast | 47 / 72 °F | 0 | 5 mph SSE |
| Tue 6 | Clear sky | 55 / 67 °F | 0 | 8 mph NNE |
| Mon 5 | Light drizzle | 63 / 72 °F | 0.02 in | 7 mph NNW |
| Sun 4 | Rain | 67 / 73 °F | 0.93 in | 6 mph NNW |
| Sat 3 | Light drizzle | 65 / 74 °F | 0.11 in | 10 mph NNE |
| Fri 2 | Overcast | 68 / 87 °F | 0 | 10 mph SW |
| Thu 1 | Overcast | 63 / 85 °F | 0 | 7 mph SSW |
| Wed 30 | Light drizzle | 64 / 79 °F | 0.02 in | 7 mph SE |
| Tue 29 | Light drizzle | 63 / 75 °F | 0.04 in | 4 mph E |
| Mon 28 | Overcast | 60 / 74 °F | 0 | 8 mph WNW |
These are the models at the start of each day (ECMWF and GFS; waves from Météo-France), not readings from a weather station: there can be differences at specific spots.
Questions about the weather in Portsmouth HeightsQuestions
What's the weather like today in Portsmouth Heights?
Overcast, from 55 °F to 73 °F, with a light breeze from the east-northeast (4 mph) and a 3% chance of rain.
Will it rain tomorrow in Portsmouth Heights?
On Thursday 29 the chance of rain is 6% (0.03 in): overcast.
How warm will it be this week?
Between a low of 52 °F and a high of 77 °F; the warmest day, Friday 30.
What's the UV index today?
It reaches 4 (moderate). Hat, sunglasses and sunscreen around midday.
Is the pressure rising or falling?
It's 30.33 inHg and steady: +0.02 inHg over the last 24 hours.
When is the best time to visit Portsmouth Heights?
The best time to visit Portsmouth Heights is from September to October and from April to June: highs of 70 °F to 85 °F, about 9 rainy days a month and 6 hours of sunshine a day.
What is the weather like in Portsmouth Heights in October?
In October, Portsmouth Heights normally sees highs of 73 °F and lows of 54 °F, with about 7 rainy days (4.33 in for the month) and 5 hours of sunshine a day. The sea is around 68 °F. These are 1991–2020 averages.
What are the warmest and wettest months in Portsmouth Heights?
The warmest is July, with average highs of 89 °F, and the coldest January, with lows of 33 °F. The wettest is July (5.64 in) and the driest, February.
When is hurricane season in Portsmouth Heights?
Hurricane season: from July to September, peaking in September. In the last 30 years (1996–2025), 20 tropical cyclones passed within 93 mi of Portsmouth Heights, about 7 every 10 years; 5 of them with hurricane-force winds (74 mph or more). The most recent: Ophelia, in September 2023.
More about Portsmouth Heights today
Weather near Portsmouth Heights
- Hobson 62 °F · mainly clear · 9.4 mi
- Thalia 64 °F · partly cloudy · 14 mi
- Phoebus 62 °F · mainly clear · 14 mi
- Chesapeake Beach 63 °F · partly cloudy · 15 mi
- Smithfield 60 °F · overcast · 18 mi
- Yorktown 62 °F · overcast · 30 mi
Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.
Learn more
Weather: Open-Meteo, CC BY 4.0, with the best model for each spot and lead time (NOAA HRRR and NBM in the U.S., Météo-France AROME, DWD ICON-EU, ECMWF IFS and NOAA GFS); ECMWF grid point 8.2 mi away. The comparison also uses ICON (DWD), AIFS (ECMWF) and ARPEGE (Météo-France). Outlook: ECMWF 46-day and SEAS5. Chance of rain from ensemble models (ECMWF, GEFS and NBM). UV, air quality and pollen: CAMS (Copernicus).
Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 7:06 pm (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from