Tomorrow's Weather Forecast - Singapore

Tomorrow's weather in Singapore. high 31°C (88°F), low 25°C (77°F). Rain Showers.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Expect heavy rain in the afternoon and evening, with rain chances climbing as high as 90%. That risk lines up with humidity averaging 82% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 82%, so it will feel muggier and stickier than the temperature alone suggests. A light breeze near 15 km/h is expected. Sunrise is at 6:57 AM and sunset at 7:04 PM, for about 12h 7m of daylight.

Tomorrow
31°/ 25°
Today30° / 26°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon26°
Rain probability
49%
Wind speed
13 km/h
AfternoonNoon – 6 PM30°
Rain probability
90%
Wind speed
15 km/h
Evening6 PM – Midn29°
Rain probability
60%
Wind speed
11 km/h
NightMidn – 6 AM26°
Rain probability
12%
Wind speed
6 km/h

24-Hour Rain & Temperature Forecast

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Temperature · peaks at +31°C

Planning Advice for Tomorrow

Clothing
Waterproof jacket and umbrella strongly recommended.
Outdoor
Not ideal for outdoor plans or car washes — heavy rain expected.
Travel
Expect traffic slowdowns from wet roads. Allow extra time.

Sunrise & Sunset

Sunrise
Dawn 6:27 AM
Total Daylight
Full day forecastSolar noon 1:00 PM
Sunset
Dusk 7:34 PM
vs today0 min daylight
Sunrise shiftSame time
Sunset shiftSame time

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Singapore is forecast to reach a high of 31°C tomorrow, with an overnight low around 25°C. That's 2° above the long-term average high of 29°C for this time of year. It continues a recent pattern — 19 of the last 19 days with published data have run warmer than normal. Expect a high chance of rain (90% probability) and a gentle breeze averaging 15 km/h. Air quality is currently Moderate (AQI 88), driven mainly by PM2.5 at 28 μg/m³.

Today vs Normal

30°C+1° above normal

The long-term average high for today is 29°C.

19 of the last 19 days with published data ran above normal.

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

2026-08-19: 30°C30°2026-08-20: 31°C31°2026-08-21: 31°C31°2026-08-22: 31°C31°2026-08-23: 31°C31°2026-08-24: 31°C31°2026-08-25: 32°C32°2026-08-26: 30°C30°2026-08-27: 31°C31°2026-08-28: 30°C30°2026-08-29: 32°C32°2026-08-30: 31°C31°

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.