Tomorrow's Weather Forecast - Chiang Mai

Tomorrow's weather in Chiang Mai. high 29°C (84°F), low 22°C (72°F). Rain Showers.

Tomorrow’s Outlook

Tomorrow will be 2°C cooler than today. Expect heavy rain in the afternoon and night, with rain chances climbing as high as 88%. That risk lines up with humidity averaging 85% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 85%, so it will feel muggier and stickier than the temperature alone suggests. Winds stay light and calm, rarely topping 10 km/h. Sunrise is at 6:11 AM and sunset at 6:29 PM, for about 12h 18m of daylight.

Tomorrow
29°/ 22°
Today31° / 23°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon25°
Rain probability
48%
Wind speed
5 km/h
AfternoonNoon – 6 PM29°
Rain probability
88%
Wind speed
10 km/h
Evening6 PM – Midn26°
Rain probability
49%
Wind speed
3 km/h
NightMidn – 6 AM24°
Rain probability
50%
Wind speed
7 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +29°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 5:41 AM
Total Daylight
Full day forecastSolar noon 12:20 PM
Sunset
Dusk 6:59 PM
vs today-1 min daylight
Sunrise shift1 min later
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast
Today11 Sep
Rain Showers
31°/ 23°
96%
Rain
1–10
Wind
Tomorrow12 Sep
Rain Showers
29°/ 22°
88%
Rain
10
Wind
Sun13 Sep
Drizzle
33°/ 23°
24%
Rain
8
Wind
Mon14 Sep
Drizzle
34°/ 24°
53%
Rain
2–8
Wind
Tue15 Sep
Drizzle
32°/ 24°
86%
Rain
1–4
Wind

Weather Insight

Chiang Mai is forecast to reach a high of 29°C tomorrow, with an overnight low around 22°C. That's 1° above the long-term average high of 28°C for this time of year. Expect a high chance of rain (88% probability) and a gentle breeze averaging 10 km/h. Air quality is currently Moderate (AQI 100), driven mainly by O₃ at 43 μg/m³.

Today vs Normal

31°C+3° above normal

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

Air Quality

Air Quality
Moderate

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