Tomorrow's Weather Forecast - Chiang Mai

Tomorrow's weather in Chiang Mai. high 33°C (91°F), low 23°C (73°F). Drizzle.

Tomorrow’s Outlook

Tomorrow will be 2°C warmer than today. Light rain is possible, though a 27% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 73% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 73%, so it will feel muggier and stickier than the temperature alone suggests. Winds stay light and calm, rarely topping 5 km/h. Sunrise is at 6:11 AM and sunset at 6:28 PM, for about 12h 17m of daylight.

Tomorrow
33°/ 23°
Today31° / 23°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon26°
Rain probability
1%
Wind speed
5 km/h
AfternoonNoon – 6 PM32°
Rain probability
27%
Wind speed
5 km/h
Evening6 PM – Midn28°
Rain probability
15%
Wind speed
4 km/h
NightMidn – 6 AM24°
Rain probability
10%
Wind speed
3 km/h

24-Hour Rain & Temperature Forecast

Tomorrow13 Sep
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Temperature · peaks at +33°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 5:41 AM
Total Daylight
Full day forecastSolar noon 12:19 PM
Sunset
Dusk 6:58 PM
vs today-1 min daylight
Sunrise shiftSame time
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Chiang Mai is forecast to reach a high of 33°C tomorrow, with an overnight low around 23°C. That's 5° above the long-term average high of 28°C for this time of year. It continues a recent pattern — 29 of the last 30 days with published data have run warmer than normal. Expect a low chance of rain (27% probability) and light winds averaging 5 km/h. Air quality is currently Moderate (AQI 96), driven mainly by PM2.5 at 36 μg/m³.

Today vs Normal

31°C+3° above normal

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

29 of the last 30 days with published data ran above normal.

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

2026-08-31: 29°C29°2026-09-01: 31°C31°2026-09-02: 31°C31°2026-09-03: 30°C30°2026-09-04: 29°C29°2026-09-05: 29°C29°2026-09-06: 31°C31°2026-09-07: 30°C30°2026-09-08: 30°C30°2026-09-09: 31°C31°2026-09-10: 29°C29°2026-09-11: 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.