Weather in Port Moresby - 14-day forecast

Detailed weather forecast for Port Moresby, Papua New Guinea: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Port Moresby

today🌧️ 26°💧 0.1 mm

Thu🌧️ 26°💧 0.1 mm

Fri🌧️ 27°💧 0.3 mm

Sat🌤️ 27°💧 0.2 mm

Sun🌤️ 28°💧 0.3 mm

Mon🌤️ 28°💧 0.3 mm

Tue🌤️ 28°night 22°

Wed☀️ 27°💧 0.4 mm

14-day forecast - Port Moresby

📅 Port Moresby 30 & 45-day weather - long-range outlook

Next 16 days · forecast

27°

around 23° at night · days with rain: 1

Weeks 3-4 · avg for July

30°

around 24° at night · rain chance 9%

Weeks 5-7 · avg for August

29°

around 24° at night · rain chance 11%

The 30 & 45-day outlook for Port Moresby: the next 16 days are a numerical forecast updated daily - on average 27° by day and 23° at night. Further out we rely on multi-year climate averages: around 30° in July, and about 29° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Port Moresby

Wednesday8 July 2026

🌧️26°light rain

sunrise 06:28 · sunset 18:04 · night 23° · evening 25° · rain 0.1 mm · humidity 74% · wind 9 m/s · clouds 100%

Thursday9 July 2026

🌧️26°light rain

sunrise 06:28 · sunset 18:04 · night 24° · evening 25° · rain 0.11 mm · humidity 76% · wind 8 m/s · clouds 100%

Friday10 July 2026

🌧️27°light rain

sunrise 06:28 · sunset 18:05 · night 24° · evening 25° · rain 0.34 mm · humidity 68% · wind 9 m/s · clouds 76%

Saturday11 July 2026

🌤️27°scattered clouds

sunrise 06:29 · sunset 18:05 · night 24° · evening 25° · rain 0.18 mm · humidity 67% · wind 8 m/s · clouds 50%

Sunday12 July 2026

🌤️28°scattered clouds

sunrise 06:29 · sunset 18:05 · night 23° · evening 25° · rain 0.33 mm · humidity 63% · wind 10 m/s · clouds 40%

Monday13 July 2026

🌤️28°scattered clouds

sunrise 06:29 · sunset 18:05 · night 22° · evening 24° · rain 0.27 mm · humidity 53% · wind 9 m/s · clouds 39%

Tuesday14 July 2026

🌤️28°scattered clouds

sunrise 06:29 · sunset 18:05 · night 22° · evening 25° · humidity 58% · wind 10 m/s · clouds 44%

Wednesday15 July 2026

☀️27°clear sky

sunrise 06:29 · sunset 18:06 · night 24° · evening 25° · rain 0.42 mm · humidity 59% · wind 10 m/s · clouds 9%

Thursday16 July 2026

🌧️27°light rain

sunrise 06:29 · sunset 18:06 · night 23° · evening 23° · rain 0.57 mm · humidity 72% · wind 10 m/s · clouds 19%

Friday17 July 2026

🌧️23°light rain

sunrise 06:29 · sunset 18:06 · night 22° · evening 22° · rain 4.83 mm · humidity 82% · wind 7 m/s · clouds 100%

Saturday18 July 2026

🌧️26°light rain

sunrise 06:29 · sunset 18:06 · night 23° · evening 24° · rain 0.15 mm · humidity 62% · wind 8 m/s · clouds 47%

Sunday19 July 2026

🌤️26°scattered clouds

sunrise 06:28 · sunset 18:07 · night 22° · evening 24° · rain 0.15 mm · humidity 58% · wind 8 m/s · clouds 33%

Monday20 July 2026

☀️27°clear sky

sunrise 06:28 · sunset 18:07 · night 22° · evening 24° · rain 0.63 mm · humidity 61% · wind 9 m/s · clouds 8%

Tuesday21 July 2026

🌤️25°a few clouds

sunrise 06:28 · sunset 18:07 · night 23° · evening 24° · humidity 73% · wind 6 m/s · clouds 19%

Wednesday22 July 2026

🌤️27°a few clouds

sunrise 06:28 · sunset 18:07 · night 24° · evening 25° · humidity 73% · wind 8 m/s · clouds 14%

Thursday23 July 2026

🌧️28°light rain

sunrise 06:28 · sunset 18:07 · night 23° · evening 26° · rain 0.21 mm · humidity 67% · wind 9 m/s · clouds 30%

☀️ UV index in Port Moresby - is it safe to sunbathe?

Today the UV index in Port Moresby is 5 (moderate) - unprotected fair skin can burn in about 40 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.

🌊 Sea temperature - Port Moresby

Water today

26°C

Week avg

26°C

Waves today

2 m

How's the water?

warm

16-day sea temperature forecast:

8.07 26°C9.07 26°C10.07 26°C11.07 26°C12.07 26°C13.07 26°C14.07 26°C15.07 26°C16.07 26°C

Average sea temperature through the year:

Jan 31°CFeb 30°CMar 31°CApr 31°CMay 29°CJun 28°CJul 27°CAug 26°CSep 26°COct 27°CNov 29°CDec 31°C

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Port Moresby

Air quality in Port Moresby is currently very good. Fine particulate PM2.5: 7.5 µg/m³, PM10: 12.5 µg/m³.

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Port Moresby	7.5	12.5	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 11:00).

Port Moresby weather through the year

Warmest, driest months on average: June, July, August, September.

🎉 Public holidays in Port Moresby - when are the long weekends?

Next long weekend in Port Moresby: Remembrance Day (23 July, Thursday) - Thursday–Sunday if you take Friday off (4 days).

23 JulyThursday

Remembrance Day

🎈 long weekend + bridge day

26 AugustWednesday

Repentance Day

16 SeptemberWednesday

Independence Day

25 DecemberFriday

Christmas Day

🎈 long weekend

26 DecemberSaturday

Boxing Day

falls on a weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

26 MarchFriday 2027

Good Friday

🎈 long weekend

27 MarchSaturday 2027

Holy Saturday

falls on a weekend

28 MarchSunday 2027

Easter Sunday

falls on a weekend

29 MarchMonday 2027

Easter Monday

🎈 long weekend

14 JuneMonday 2027

Queen's Birthday

🎈 long weekend

23 JulyFriday 2027

Remembrance Day

🎈 long weekend

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

LaeGorokaMount HagenWewak

FAQ - Port Moresby weather

What is the weather like in Port Moresby today?

Today it is about 26° during the day and 23° at night, light rain.

How far ahead can I check the forecast for Port Moresby?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.