Today's Weather Forecast - Phnom Penh

Today's weather in Phnom Penh. high 30°C (86°F), low 25°C (77°F). Drizzle.

Today’s Hourly Weather Outlook

Morning6 AM – Noon27°
Wind speed
5 km/h
Rain probability
59%
AfternoonNoon – 6 PM28°
Wind speed
3 km/h
Rain probability
76%
Evening6 PM – Midn26°
Wind speed
8 km/h
Rain probability
90%
NightMidn – 6 AM25°
Wind speed
6 km/h
Rain probability
100%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 5:19 AM
Total Daylight
Day completeSolar noon 11:56 AM
Sunset
Dusk 6:33 PM
RemainingDaylight ended
Solar elevation-47°
vs yesterday-1 min

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Phnom Penh is forecast to reach a high of 30°C today, with an overnight low around 25°C. Expect a high chance of rain (100% probability) and light winds averaging 8 km/h. Air quality is currently Moderate (AQI 94), driven mainly by PM2.5 at 39 μg/m³.

Today vs Normal

30°C0° below normal

The long-term average high for today is 30°C.

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

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

2026-08-28: 30°C30°2026-08-29: 31°C31°2026-08-30: 32°C32°2026-08-31: 33°C33°2026-09-01: 32°C32°2026-09-02: 33°C33°2026-09-03: 34°C34°2026-09-04: 34°C34°2026-09-05: 34°C34°2026-09-06: 34°C34°2026-09-07: 33°C33°2026-09-08: 33°C33°

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.