Weather in Port Moresby Today

Live

Current temperature in Port Moresby: 23°C (73°F). Overcast. Today's high 28°C (82°F), low 22°C (72°F).

Live · Current ConditionsNight
23°
Overcast
RealFeel® 25°C
72%Humid
High28°
Low22°
12km/hSSEWind fromSouth-South-East↑↖· Max 33
Gentle Breeze · Gusts 70 km/h
City
00:00AM
UTC+0:00
Sunrise ·
Sunset ·

Today's Daylight Forecast

Partly cloudy
Fri, Sep 1111:30 PMNight
12h daylight today24h view
Sunrise6:07 AMDawn 5:37 AM
Total daylight12hNoon 12:07 PMTotal 12h
Sunset6:08 PMDusk 6:37 PM
NowPartly cloudy+24°C

Moon & Islamic Calendar

Health & Activity Advice
🟠 Very High UV

Very high UV today. Limit sun exposure around midday. Apply SPF 30+ every 2 hours and seek shade.

5-Day Weather Forecast

Full 15-Day Forecast

Atmospheric Details

Wind
12 km/h
SSE · Gentle Breeze · Max 33 km/h
Humidity
72 %
High · feels muggy
UV Index
9
Very High
Visibility
10 km
Excellent
Pressure
1015 hPa
Stable
Dew Point
18°C
Somewhat humid

Today vs Normal

28°C0° below normal

The long-term average high for today is 28°C.

10 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

2026-08-28: 28°C28°2026-08-29: 28°C28°2026-08-30: 28°C28°2026-08-31: 27°C27°2026-09-01: 27°C27°2026-09-02: 27°C27°2026-09-03: 28°C28°2026-09-04: 27°C27°2026-09-05: 27°C27°2026-09-06: 27°C27°2026-09-07: 27°C27°2026-09-08: 27°C27°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Moderate

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Health & Activity Advice

⚠ Limit Outdoor Time

UV index is 9 today — very high. Limit sun exposure around midday, apply SPF 30+ every two hours, and seek shade when possible.

Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.

Morning before 10 AM or evening after 4 PM is the more comfortable window for outdoor activity today.

Nearby Regional Outlook

Port Moresby Weather Radar

Live precipitation · Cloud cover · Wind

View live radar →

Frequently Asked Questions

What is the hottest month in Port Moresby?

The hottest month in Port Moresby is typically January, with daytime highs averaging around 30.9°C (88°F), based on 10 years of historical weather data. Overnight lows during this period average near 24.4°C (76°F).

What is the coldest month in Port Moresby?

The coldest month in Port Moresby is typically August, with overnight lows averaging around 23.5°C (74°F) and daytime highs near 28.8°C (84°F), based on 10 years of historical weather data.

Does Port Moresby have a rainy season?

Port Moresby doesn't have a sharply defined rainy season rainfall is fairly spread across the year based on 10 years of historical data. March is the wettest month on average (about 287 mm), while August is the driest (about 51 mm).

What's the best time of year to visit Port Moresby?

The best time to visit Port Moresby is typically June to September, when daytime highs average a comfortable 29.1°C (84°F). Rainfall during this window averages around 62 mm, one of the lighter, more comfortable stretches of the year. This is based on 10 years of historical weather data.