Weather in Port Moresby
14-day forecast · updated today, Thursday, October 29, at 1:07 pm (GMT+10)- Feels like
- 103 °F
- Low / high
- 74 / 93 °F
- Rain
- 53% · 0.06 in
- Wind
- 8 mph SSW
Today in Port Moresby: light drizzle, 74 °F to 93 °F, with a 53% chance of rain (0.06 in) and a gentle breeze from the south-southwest (8 mph). Tomorrow, drizzle, 75 °F to 92 °F and a 88% chance of rain. The warmest day of the week is Thursday 29, at 93 °F.
Temperatures for the next 14 days
- Today
- Fri 30
- Sat 31
- Sun 1
- Mon 2
- Tue 3
- Wed 4
- Thu 5
- Fri 6
- Sat 7
- Sun 8
- Mon 9
- Tue 10
- Wed 11
Day by day
| Day | Sky | Low / high | Rain | Max wind | Max wave | High tides | Model |
|---|---|---|---|---|---|---|---|
| Today · 29 | 74 / 93 °F | 53% · 0.06 in | 9 mph S | 3.5 ft | 11:31 am · 10:05 pm | ECMWF | |
| Fri 30 | 75 / 92 °F | 88% · 0.14 in | 9 mph S | 3.9 ft | 1:05 pm · 11:42 pm | ECMWF | |
| Sat 31 | 76 / 90 °F | 100% · 0.46 in | 6 mph NNE | 3.7 ft | 2:48 pm | ECMWF | |
| Sun 1 | 74 / 91 °F | 100% · 0.43 in | 6 mph NNE | 3.4 ft | 3:19 am · 4:07 pm | ECMWF | |
| Mon 2 | 73 / 88 °F | 100% · 0.42 in | 5 mph NNE | 3.4 ft | 4:45 am · 5:01 pm | ECMWF | |
| Tue 3 | 74 / 87 °F | 94% · 0.33 in | 7 mph NNW | 3.5 ft | 5:36 am · 5:42 pm | ECMWF | |
| Wed 4 | 73 / 88 °F | 73% · 0.17 in | 4 mph ESE | 3.7 ft | 6:17 am · 6:16 pm | ECMWF | |
| Thu 5 | 73 / 87 °F | 82% · 0.17 in | 4 mph N | 2.9 ft | 6:54 am · 6:45 pm | ECMWF | |
| Fri 6 | 74 / 86 °F | 95% · 0.40 in | 3 mph N | 2.1 ft | 7:29 am · 7:10 pm | ECMWF | |
| Sat 7 | 74 / 85 °F | 91% · 0.19 in | 5 mph NNE | 1.4 ft | 8:03 am · 7:33 pm | ECMWF | |
| Sun 8 | 73 / 87 °F | 89% · 0.26 in | 5 mph NNE | — | 8:36 am · 7:53 pm | ECMWF | |
| Mon 9 | 74 / 87 °F | 99% · 0.12 in | 4 mph ENE | — | 9:09 am · 8:09 pm | ECMWF | |
| Tue 10 | 73 / 89 °F | 91% · 0.31 in | 3 mph NE | — | 9:44 am · 8:18 pm | ECMWF | |
| Wed 11 | 74 / 88 °F | 89% · 0.26 in | 6 mph NE | — | 10:20 am · 8:18 pm | ECMWF |
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 | Partly cloudy | Partly cloudy | Mainly clear | Clear sky | Light drizzle | Light drizzle | Mainly clear | Clear |
| Temperature | 76° | 74° | 75° | 86° | 93° | 91° | 85° | 81° |
| Chance of rain | 0% | 0% | 0% | 0% | 22% | 52% | 16% | 0% |
| Rain | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.02 in | 0.00 in | 0.00 in |
| Wind (mph) | 3 ENE | 3 ENE | 3 ENE | 2 N | 5 SSW | 9 SSW | 4 SSW | 0 ENE |
| Humidity | 99% | 99% | 94% | 67% | 52% | 55% | 74% | 88% |
| UV | 0 | 0 | 0 | 6 | 12 | 5 | 0 | 0 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
Do the models agree?
Medium confidenceThey broadly agree, but not quite on rain today: take it with some caution.
What 4 forecast models say for the next few days. The closer they are, the more reliable the forecast.
| High (°F) | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 93° | 92° | 90° | 91° | 88° | 87° | 88° |
| AIFS | 90° | 88° | 88° | 87° | 87° | 86° | 87° |
| GFS | 85° | 85° | 85° | 85° | 84° | 85° | 84° |
| ICON | 86° | 87° | 87° | 86° | 85° | 85° | 86° |
| Confidence | medium | medium | high | medium | high | high | high |
| Rain | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 0.06 in | 0.14 in | 0.46 in | 0.43 in | 0.42 in | 0.33 in | 0.17 in |
| AIFS | 0.03 in | 0.15 in | 0.44 in | 0.39 in | 0.30 in | 0.23 in | 0.09 in |
| GFS | 0 | 0 | 0.34 in | 0.21 in | 0.76 in | 0.15 in | 0.04 in |
| ICON | 0 | 0 | 0.03 in | 0 | 0 | 0 | 0 |
| Confidence | medium | medium | medium | medium | medium | medium | medium |
| Wind (mph) | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 923 | 921 | 624 | 617 | 519 | 721 | 422 |
| AIFS | 3 | 3 | 2 | 2 | 3 | 2 | 3 |
| GFS | 1318 | 1521 | 1319 | 1418 | 89 | 913 | 912 |
| ICON | 1423 | 1423 | 1322 | 1423 | 1221 | 1424 | 1423 |
| Confidence | medium | medium | medium | medium | medium | medium | medium |
Chance of rain from the ensemble models
| Model | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF (51 scenarios) | 53% | 88% | 100% | 100% | 100% | 94% | 73% |
| GFS (GEFS, 31 scenarios) | 0% | 49% | 93% | 98% | 92% | 58% | 49% |
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: a bit warmer and normal rain.
Next 6 weeks
| When | TemperatureTemp. | Rain | Typical high / low |
|---|---|---|---|
| Nov 2 – Nov 8Nov 2–Nov 8 | A bit above +0.9 °F | A bit below −29% | — |
| Nov 9 – Nov 15Nov 9–Nov 15 | A bit above +1.4 °F | Normal | — |
| Nov 16 – Nov 22Nov 16–Nov 22 | A bit above +1.3 °F | Normal | 86° / 76° |
| Nov 23 – Nov 29Nov 23–Nov 29 | A bit above +1.4 °F | Normal | 87° / 76° |
| Nov 30 – Dec 6Nov 30–Dec 6 | A bit above +1.8 °F | Normal | 87° / 76° |
Coming months
| When | TemperatureTemp. | Rain |
|---|---|---|
| November | A bit above +1.8 °F | A bit below −49% |
| December | A bit above +2.0 °F | Normal |
| January | A bit above +1.8 °F | Normal |
| February | A bit above +2.2 °F | Normal |
| March | A bit above +2.3 °F | Normal |
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).
Port Moresby climate by monthClimate by month
Normal weather for each month (1991–2020 averages)The best time to visit Port Moresby is from July to September: highs of 84 °F to 86 °F, about 3 rainy days a month and 7 hours of sunshine a day.
Tropical cyclones rarely pass near Port Moresby: 2 within 93 mi in the last 30 years (1996–2025), most recently Guba, in November 2007.
- 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 |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 90° | 75° | 7.94 in | 15 | 5.5 | 85° | 2.5 ft |
| FebruaryFeb | 90° | 74° | 6.29 in | 14 | 5.5 | 85° | 2.7 ft |
| MarchMar | 89° | 74° | 10.08 in | 17 | 5.2 | 85° | 2.8 ft |
| AprilApr | 88° | 74° | 5.46 in | 11 | 5.7 | 84° | 3.3 ft |
| MayMay | 87° | 74° | 4.51 in | 6 | 6.6 | 82° | 4.6 ft |
| JuneJun | 86° | 73° | 3.52 in | 5 | 6.7 | 80° | 5.1 ft |
| JulyJul | 84° | 73° | 1.40 in | 3 | 7.0 | 78° | 5.2 ft |
| AugustAug | 84° | 73° | 1.74 in | 3 | 6.8 | 77° | 4.7 ft |
| SeptemberSep | 86° | 73° | 3.61 in | 3 | 6.4 | 78° | 4.6 ft |
| OctoberOct | 88° | 74° | 4.84 in | 4 | 7.2 | 79° | 3.7 ft |
| NovemberNov | 90° | 74° | 3.75 in | 6 | 6.9 | 81° | 2.9 ft |
| DecemberDec | 91° | 75° | 5.81 in | 11 | 6.5 | 84° | 2.3 ft |
| Month | Water | Waves |
|---|---|---|
| Jan | 85° | 2.5 ft |
| Feb | 85° | 2.7 ft |
| Mar | 85° | 2.8 ft |
| Apr | 84° | 3.3 ft |
| May | 82° | 4.6 ft |
| Jun | 80° | 5.1 ft |
| Jul | 78° | 5.2 ft |
| Aug | 77° | 4.7 ft |
| Sep | 78° | 4.6 ft |
| Oct | 79° | 3.7 ft |
| Nov | 81° | 2.9 ft |
| Dec | 84° | 2.3 ft |
Days: rainy days in the month. Sun: hours a day.
A normal year brings 58.95 in of rain on about 96 days and about 2,300 hours of sunshine.
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 93 °F now (feels like 103 °F). Today, 74 °F to 93 °F; tomorrow, 75 °F to 92 °F.
Chance of rain
Today the chance of rain reaches 53%, with 0.06 in in total. The next day with likely rain is Friday 30: 88% and 0.14 in.
Recent rain: last 24 hours, 0.25 in; last 3 days, 0.43 in; last 7 days, 0.51 in.
Humidity and dew point
Humidity is 52% now and the dew point is 73 °F. With a dew point this high, it feels muggy.
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 (13 mi). No fog expected today.
UV index
Fri 30: 13 · Sat 31: 13 · Sun 1: 14
| 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 Anglers expect normal activity
- ↘ Falling · now Anglers say fish feed more before the change
Falling now (−0.08 inHg in 3 hours). It barely changes over the next 48 hours. Falling pressure: anglers say fish feed more before the change. 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 |
|---|---|---|---|---|
| Wed 28 | Light showers | 75 / 91 °F | 0.26 in | 9 mph ESE |
| Tue 27 | Drizzle | 75 / 94 °F | 0.13 in | 9 mph S |
| Mon 26 | Light drizzle | 73 / 96 °F | 0.02 in | 9 mph SSW |
| Sun 25 | Overcast | 72 / 97 °F | 0 | 11 mph SSW |
| Sat 24 | Overcast | 74 / 95 °F | 0 | 9 mph SSW |
| Fri 23 | Light drizzle | 74 / 92 °F | 0.01 in | 8 mph S |
| Thu 22 | Drizzle | 75 / 95 °F | 0.07 in | 7 mph ENE |
Show all 30 days
| Day | Sky | Low / high | Rain | Max wind |
|---|---|---|---|---|
| Wed 21 | Drizzle | 75 / 91 °F | 0.12 in | 11 mph S |
| Tue 20 | Drizzle | 76 / 93 °F | 0.13 in | 11 mph S |
| Mon 19 | Light rain | 73 / 95 °F | 0.20 in | 4 mph SE |
| Sun 18 | Drizzle | 73 / 92 °F | 0.12 in | 8 mph S |
| Sat 17 | Overcast | 71 / 92 °F | 0 | 11 mph S |
| Fri 16 | Mainly clear | 71 / 92 °F | 0 | 11 mph SSE |
| Thu 15 | Light drizzle | 71 / 92 °F | 0.01 in | 8 mph SSE |
| Wed 14 | Heavy drizzle | 74 / 94 °F | 0.22 in | 7 mph SE |
| Tue 13 | Drizzle | 77 / 93 °F | 0.12 in | 8 mph SSW |
| Mon 12 | Light drizzle | 74 / 94 °F | 0.01 in | 11 mph S |
| Sun 11 | Overcast | 70 / 94 °F | 0 | 12 mph S |
| Sat 10 | Overcast | 68 / 94 °F | 0 | 11 mph S |
| Fri 9 | Clear sky | 70 / 94 °F | 0 | 10 mph S |
| Thu 8 | Overcast | 74 / 91 °F | 0 | 10 mph S |
| Wed 7 | Overcast | 70 / 92 °F | 0 | 10 mph SSW |
| Tue 6 | Overcast | 71 / 91 °F | 0 | 10 mph S |
| Mon 5 | Overcast | 71 / 91 °F | 0 | 11 mph S |
| Sun 4 | Overcast | 70 / 92 °F | 0 | 11 mph S |
| Sat 3 | Overcast | 71 / 91 °F | 0 | 12 mph S |
| Fri 2 | Partly cloudy | 74 / 91 °F | 0 | 13 mph S |
| Thu 1 | Overcast | 75 / 92 °F | 0 | 12 mph S |
| Wed 30 | Light drizzle | 73 / 90 °F | 0.08 in | 12 mph S |
| Tue 29 | Light drizzle | 75 / 91 °F | 0.01 in | 11 mph SSW |
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 Port MoresbyQuestions
What's the weather like today in Port Moresby?
Light drizzle, from 74 °F to 93 °F, with a gentle breeze from the south-southwest (8 mph) and a 53% chance of rain.
Will it rain tomorrow in Port Moresby?
On Friday 30 the chance of rain is 88% (0.14 in): drizzle.
How warm will it be this week?
Between a low of 73 °F and a high of 93 °F; the warmest day, Thursday 29.
What's the UV index today?
It reaches 12 (extreme). Avoid the sun between 11 am and 5 pm; protect yourself even if it is cloudy.
Is the pressure rising or falling?
It's 29.85 inHg and falling: +0.01 inHg over the last 24 hours.
When is the best time to visit Port Moresby?
The best time to visit Port Moresby is from July to September: highs of 84 °F to 86 °F, about 3 rainy days a month and 7 hours of sunshine a day.
What is the weather like in Port Moresby in October?
In October, Port Moresby normally sees highs of 88 °F and lows of 74 °F, with about 4 rainy days (4.84 in for the month) and 7 hours of sunshine a day. The sea is around 79 °F. These are 1991–2020 averages.
What are the warmest and wettest months in Port Moresby?
The warmest is December, with average highs of 91 °F, and the coldest July, with lows of 73 °F. The wettest is March (10.08 in) and the driest, July.
More about Port Moresby today
Weather near Port Moresby
- Gaile 91 °F · clear sky · 22 mi
- Hisiu 89 °F · clear sky · 39 mi
- Uritai 86 °F · clear sky · 112 mi
- Lelefiru 89 °F · mainly clear · 122 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 17 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 1:07 pm (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from