Tomorrow's Weather Forecast - Bangkok

Tomorrow's weather in Bangkok. high 31°C (88°F), low 24°C (75°F). Thunderstorm.

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Expect heavy rain in the afternoon and evening and night, with rain chances climbing as high as 93%. That risk lines up with humidity averaging 88% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 88%, so it will feel muggier and stickier than the temperature alone suggests. Winds stay light and calm, rarely topping 9 km/h. Sunrise is at 6:06 AM and sunset at 6:21 PM, for about 12h 15m of daylight.

Tomorrow
31°/ 24°
Today32° / 25°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon27°
Rain probability
27%
Wind speed
9 km/h
AfternoonNoon – 6 PM29°
Rain probability
93%
Wind speed
9 km/h
Evening6 PM – Midn26°
Rain probability
92%
Wind speed
8 km/h
NightMidn – 6 AM24°
Rain probability
77%
Wind speed
8 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 5:36 AM
Total Daylight
Full day forecastSolar noon 12:14 PM
Sunset
Dusk 6:51 PM
vs today-1 min daylight
Sunrise shiftSame time
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Bangkok is forecast to reach a high of 31°C tomorrow, with an overnight low around 24°C. Expect a high chance of rain (93% probability) and a gentle breeze averaging 9 km/h. Air quality is currently Unhealthy (AQI 168), driven mainly by O₃ at 91 μg/m³.

Today vs Normal

32°C+1° above normal

The long-term average high for today is 31°C.

12 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: 27°C27°2026-08-21: 28°C28°2026-08-22: 29°C29°2026-08-23: 31°C31°2026-08-24: 31°C31°2026-08-25: 32°C32°2026-08-26: 31°C31°2026-08-27: 31°C31°2026-08-28: 32°C32°2026-08-29: 32°C32°2026-08-30: 30°C30°

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

Air Quality

Air Quality
Unhealthy

Health effects can be immediately felt by sensitive groups. Healthy individuals may experience difficulty breathing and throat irritation with prolonged exposure. Limit outdoor activity.