TidePlanet

Weather in Grasonville

14-day forecast · updated today, Thursday, October 29, at 2:36 am (EDT)
Now · clear 48 °F
Feels like
45 °F
Low / high
45 / 66 °F
Rain
1%
Wind
4 mph ESE
↘ 30.28 inHg · falling

Today in Grasonville: clear sky, 45 °F to 66 °F, with a 1% chance of rain and a light breeze from the east-southeast (4 mph). Tomorrow, mainly clear, 56 °F to 72 °F and a 3% chance of rain. The warmest day of the week is Friday 30, at 72 °F. Next likely rain: Wednesday 4 (19%).

Measured now at the airport

Stevensville/Bay Bridge (KW29), 6.4 mi away · 26 min ago

Visibility9.9 mi or more
WeatherNothing to note
Temperature54 °F
Wind5 mph from the south-southeast

It's what the airport's weather station measured, not a forecast: on the coast, wind and fog can be different. Airports report every 30 or 60 minutes.

Airport METAR report, via NOAA's Aviation Weather Center (aviationweather.gov). Sources and licenses

Temperatures for the next 14 days

Day by day

Day Sky Low / high Rain Max wind Max wave High tides Model
Today · 29 Clear sky 45 / 66 °F 1% 8 mph SSW 0.5 ft 7:41 am · 8:33 pm HRRR + NBM
Fri 30 Mainly clear 56 / 72 °F 3% 9 mph NW 0.9 ft 8:33 am · 9:33 pm NBM
Sat 31 Overcast 49 / 61 °F 0% 6 mph N 0.8 ft 9:35 am · 10:41 pm NBM
Sun 1 Overcast 49 / 65 °F 0% 5 mph SSE 0.7 ft 9:50 am · 10:46 pm NBM
Mon 2 Partly cloudy 53 / 67 °F 8% 5 mph S 0.5 ft 11:00 am · 11:45 pm NBM
Tue 3 Partly cloudy 55 / 69 °F 12% 7 mph ESE 0.9 ft 12:08 pm NBM
Wed 4 Clear sky 57 / 69 °F 19% · 0.04 in 10 mph ESE 0.5 ft 12:42 am · 1:15 pm NBM
Thu 5 Overcast 59 / 69 °F 31% · 0.20 in 9 mph SE 0.1 ft 1:34 am · 2:14 pm NBM
Fri 6 Heavy drizzle 55 / 65 °F 31% · 0.18 in 9 mph NNW 0.8 ft 2:20 am · 3:05 pm NBM
Sat 7 Drizzle 52 / 62 °F 26% · 0.09 in 10 mph NNW 1.7 ft 3:02 am · 3:51 pm NBM
Sun 8 Light drizzle 49 / 60 °F 19% · 0.13 in 10 mph NNW 1.4 ft 3:44 am · 4:35 pm NBM + ECMWF
Mon 9 Clear sky 43 / 56 °F 15% 10 mph NNE 0.8 ft 4:27 am · 5:18 pm ECMWF
Tue 10 Overcast 45 / 58 °F 17% 5 mph NE 0.3 ft 5:11 am · 5:58 pm ECMWF
Wed 11 Overcast 48 / 57 °F 19% 4 mph NNE 0.1 ft 5:53 am · 6:36 pm ECMWF

Each hour comes from the best model for this spot: HRRR until Thursday 29 9:00 pm; then NBM until Sunday 8 8:00 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 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Sky ClearClearClearClear skyClear skyClear skyClear skyClear
Temperature 51°48°46°52°61°66°61°58°
Chance of rain 0%0%0%0%0%0%0%1%
Rain 0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in
Wind (mph) 2 SE4 ESE4 SSE1 WSW5 SW8 SW5 SSW4 S
Humidity 90%89%95%100%85%68%75%97%
UV 00014200
Model HRRRHRRRHRRRHRRRHRRRHRRRHRRRNBM

Do the models agree?

High confidence

The 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.

Do the models agree? · High
High (°F) TodayFri 30Sat 31Sun 1Mon 2Tue 3Wed 4
ECMWF 66°69°58°61°64°67°68°
AIFS 65°69°60°60°61°64°67°
GFS 69°72°59°64°63°69°73°
ICON 67°73°59°62°66°71°72°
HRRR 66°70°—————
NBM 68°72°61°65°67°69°69°
Confidence highhighhighhighhighhighhigh
Do the models agree? · Rain
Rain TodayFri 30Sat 31Sun 1Mon 2Tue 3Wed 4
ECMWF 0000000
AIFS 0000000
GFS 0000000
ICON 0000000
HRRR 00—————
NBM 0000000.04 in
Confidence highhighhighhighhighhighhigh
Do the models agree? · Wind
Wind (mph) TodayFri 30Sat 31Sun 1Mon 2Tue 3Wed 4
ECMWF 10171423132372212201325918
AIFS 9121356810
GFS 817152610236176157191327
ICON 511101971551161348613
HRRR 8161425—————
NBM 51091561358597131016
Confidence highhighhighhighhighhighhigh

Chance of rain from the ensemble models

Model TodayFri 30Sat 31Sun 1Mon 2Tue 3Wed 4
ECMWF (51 scenarios) 0%0%0%0%4%12%12%
GFS (GEFS, 31 scenarios) 0%0%0%0%13%13%26%
NBM (NOAA) 1%3%0%0%8%12%19%
Thunderstorm (NBM) 0%0%0%0%1%1%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 +6.5 °F Above +69% —
Nov 9 – Nov 15Nov 9–Nov 15 A bit above +0.9 °F Normal —
Nov 16 – Nov 22Nov 16–Nov 22 A bit above +2.3 °F Normal 56° / 47°
Nov 23 – Nov 29Nov 23–Nov 29 A bit above +2.5 °F A bit above +39% 53° / 45°
Nov 30 – Dec 6Nov 30–Dec 6 A bit above +1.8 °F A bit above +34% 51° / 43°

Coming months

When TemperatureTemp. Rain
November A bit above +1.3 °F A bit above +26%
December A bit above +2.0 °F A bit above +31%
January Above +2.7 °F A bit above +41%
February A bit above +1.6 °F A bit above +42%
March A bit above +2.0 °F A bit above +28%

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).

Grasonville climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Grasonville is from May to June and from August to September: highs of 75 °F to 85 °F, about 10 rainy days a month and 7 hours of sunshine a day.

Hurricane season: from July to September, peaking in August. In the last 30 years (1996–2025), 7 tropical cyclones passed within 93 mi of Grasonville, about 2 every 10 years; one of them with hurricane-force winds (74 mph or more). The most recent: Elsa, in July 2021.

Month High Low Rain Rainy daysDays Sun (h/day) Water Waves Cyclones
JanuaryJan 42° 27° 3.27 in 7 3.9 38° 1.2 ft –
FebruaryFeb 46° 28° 2.99 in 7 5.2 36° 1.0 ft –
MarchMar 54° 35° 4.21 in 9 5.6 40° 1.1 ft –
AprilApr 66° 45° 3.54 in 8 6.4 47° 1.0 ft –
MayMay 75° 55° 3.94 in 10 7.2 58° 0.8 ft –
JuneJun 84° 64° 4.48 in 11 7.4 68° 0.8 ft –
JulyJul 88° 68° 4.32 in 12 7.7 76° 0.7 ft 2
AugustAug 85° 66° 4.25 in 10 7.0 78° 0.7 ft 3
SeptemberSep 79° 59° 4.32 in 8 5.9 74° 0.8 ft 2
OctoberOct 69° 48° 3.72 in 7 5.2 65° 1.1 ft –
NovemberNov 57° 39° 3.03 in 6 4.4 54° 1.2 ft –
DecemberDec 48° 31° 3.97 in 8 3.6 45° 1.0 ft –
Month Water Waves Cyclones
Jan 38° 1.2 ft –
Feb 36° 1.0 ft –
Mar 40° 1.1 ft –
Apr 47° 1.0 ft –
May 58° 0.8 ft –
Jun 68° 0.8 ft –
Jul 76° 0.7 ft 2
Aug 78° 0.7 ft 3
Sep 74° 0.8 ft 2
Oct 65° 1.1 ft –
Nov 54° 1.2 ft –
Dec 45° 1.0 ft –

Days: rainy days in the month. Sun: hours a day.

A normal year brings 46.05 in of rain on about 102 days and about 2,100 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

Now48 °Ffeels like 45 °F
Tomorrow56 / 72 °F

It's 48 °F now (feels like 45 °F). Today, 45 °F to 66 °F; tomorrow, 56 °F to 72 °F.

Chance of rain

  • Today 1%
  • Fri 30 3%
  • Sat 31 0%
  • Sun 1 0%
  • Mon 2 8%
  • Tue 3 12%
  • Wed 4 19% 0.04 in

Today the chance of rain reaches 1%. The next day with likely rain is Wednesday 4: 19% and 0.04 in.

No rain in the last 7 days.

Humidity and dew point

Humidity89%
Dew point45 °F

Humidity is 89% now and the dew point is 45 °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

Now7.6 migood
Clouds10%

Visibility is good now (7.6 mi). There may be fog today at 6:00 am, 7:00 am, 8:00 am, 9:00 am.

UV index

Now0
Today's peak4moderate

Fri 30: 4 · Sat 31: 4 · Sun 1: 4

IndexLevelWhat to do
0–2lowNo special protection needed.
3–5moderateHat, sunglasses and sunscreen around midday.
6–7highSunscreen, hat and shade between 12 and 4 pm.
8–10very highAvoid the midday sun; reflection off the water adds to it.
11+extremeAvoid 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 Anglers expect normal activity
  • ↘ Falling · now Anglers say fish feed more before the change

Falling now (−0.06 inHg in 3 hours). Over the next 48 hours: +0.05 inHg. Falling pressure: anglers say fish feed more before the change. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityGood · 37
Saharan dustNo

Previous days

The weather over the last 30 days, as the models analyzed it. Tap a day to see it hour by hour.

DaySkyLow / highRainMax wind
Wed 28 Overcast51 / 65 °F09 mph ENE
Tue 27 Clear sky53 / 67 °F010 mph NNE
Mon 26 Overcast51 / 65 °F07 mph WSW
Sun 25 Mainly clear47 / 63 °F06 mph NE
Sat 24 Partly cloudy46 / 63 °F09 mph NE
Fri 23 Mainly clear52 / 63 °F013 mph NE
Thu 22 Partly cloudy53 / 64 °F014 mph NNW
Show all 30 days
DaySkyLow / highRainMax wind
Wed 21 Overcast51 / 63 °F014 mph N
Tue 20 Clear sky55 / 68 °F015 mph N
Mon 19 Clear sky46 / 64 °F011 mph NNE
Sun 18 Clear sky44 / 58 °F017 mph NNE
Sat 17 Rain52 / 64 °F0.73 in20 mph N
Fri 16 Rain62 / 76 °F0.96 in16 mph SSW
Thu 15 Light drizzle62 / 71 °F0.08 in16 mph ENE
Wed 14 Light drizzle68 / 82 °F0.01 in15 mph SW
Tue 13 Mainly clear63 / 76 °F015 mph SW
Mon 12 Rain60 / 72 °F0.45 in19 mph NNW
Sun 11 Rain63 / 73 °F0.99 in22 mph ESE
Sat 10 Overcast57 / 71 °F013 mph E
Fri 9 Overcast60 / 71 °F07 mph SW
Thu 8 Clear sky63 / 74 °F015 mph SW
Wed 7 Clear sky53 / 67 °F015 mph S
Tue 6 Clear sky54 / 64 °F015 mph N
Mon 5 Overcast62 / 71 °F015 mph NW
Sun 4 Light rain62 / 66 °F0.34 in11 mph NE
Sat 3 Light rain61 / 70 °F0.53 in15 mph NNE
Fri 2 Rain70 / 80 °F0.44 in12 mph SSW
Thu 1 Overcast68 / 80 °F011 mph S
Wed 30 Overcast64 / 74 °F012 mph SSW
Tue 29 Overcast66 / 71 °F08 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 GrasonvilleQuestions

What's the weather like today in Grasonville?

Clear sky, from 45 °F to 66 °F, with a light breeze from the east-southeast (4 mph) and a 1% chance of rain.

Will it rain tomorrow in Grasonville?

On Friday 30 the chance of rain is 3% (0.00 in): mainly clear.

How warm will it be this week?

Between a low of 45 °F and a high of 72 °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 30.28 inHg and falling: −0.12 inHg over the last 24 hours.

When is the best time to visit Grasonville?

The best time to visit Grasonville is from May to June and from August to September: highs of 75 °F to 85 °F, about 10 rainy days a month and 7 hours of sunshine a day.

What is the weather like in Grasonville in October?

In October, Grasonville normally sees highs of 69 °F and lows of 48 °F, with about 7 rainy days (3.72 in for the month) and 5 hours of sunshine a day. The sea is around 65 °F. These are 1991–2020 averages.

What are the warmest and wettest months in Grasonville?

The warmest is July, with average highs of 88 °F, and the coldest January, with lows of 27 °F. The wettest is June (4.48 in) and the driest, February.

When is hurricane season in Grasonville?

Hurricane season: from July to September, peaking in August. In the last 30 years (1996–2025), 7 tropical cyclones passed within 93 mi of Grasonville, about 2 every 10 years; one of them with hurricane-force winds (74 mph or more). The most recent: Elsa, in July 2021.

More about Grasonville today

Weather near Grasonville

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 15 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 2:36 am (local time).

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