Tomorrow's Weather Forecast - Port Moresby

Tomorrow's weather in Port Moresby. high 28°C (82°F), low 22°C (72°F). Overcast.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Light rain is possible, though a 33% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 70% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 70%, so it will feel muggier and stickier than the temperature alone suggests. Winds will turn gusty at times, reaching up to 73 km/h. Sunrise is at 6:07 AM and sunset at 6:08 PM, for about 12h 1m of daylight.

Tomorrow
28°/ 22°
Today28° / 22°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon25°
Rain probability
0%
Wind speed
25 km/h
AfternoonNoon – 6 PM26°
Rain probability
33%
Wind speed
35 km/h
Evening6 PM – Midn25°
Rain probability
14%
Wind speed
29 km/h
NightMidn – 6 AM23°
Rain probability
0%
Wind speed
15 km/h

24-Hour Rain & Temperature Forecast

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Temperature · peaks at +28°C

Planning Advice for Tomorrow

Clothing
Light layers work well; a jacket for the evening.
Outdoor
Good conditions for outdoor activities.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 5:37 AM
Total Daylight
Full day forecastSolar noon 12:07 PM
Sunset
Dusk 6:38 PM
vs today+1 min daylight
Sunrise shiftSame time
Sunset shiftSame time

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Port Moresby is forecast to reach a high of 28°C tomorrow, with an overnight low around 22°C. Expect a low chance of rain (33% probability) and moderate breezes averaging 35 km/h. Air quality is currently Moderate (AQI 51), driven mainly by PM2.5 at 8.3 μg/m³.

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.