Today's Weather Forecast - Chiang Mai

Today's weather in Chiang Mai. high 31°C (88°F), low 23°C (73°F). Sunny.

Today’s Hourly Weather Outlook

Morning6 AM – Noon26°
Wind speed
9 km/h
Rain probability
32%
AfternoonNoon – 6 PM30°
Wind speed
7 km/h
Rain probability
55%
Evening6 PM – Midn26°
Wind speed
6 km/h
Rain probability
50%
NightMidn – 6 AM24°
Wind speed
5 km/h
Rain probability
35%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 5:41 AM
Total Daylight
Day completeSolar noon 12:20 PM
Sunset
Dusk 6:59 PM
RemainingDaylight ended
Solar elevation-52°
vs yesterday-2 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Moderate
Dominant pollutant
Dominant: PM2.5
Monitoring station
Yupparaj Wittayalai School, Chiangmai, Thailand (โรงเรียนยุพราชวิทยาลัย)
PM2.5
93μg/m³
PM10
82μg/m³
O₃
14.6ppb
NO₂
7.5ppb
SO₂
0.6ppb
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Chiang Mai is forecast to reach a high of 31°C today, with an overnight low around 23°C. That's 3° 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 fair chance of rain (55% probability) and a gentle breeze averaging 9 km/h. Air quality is currently Moderate (AQI 91), driven mainly by PM2.5 at 35 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.