Weather in Chiang Mai - 14-day forecast
Detailed weather forecast for Chiang Mai, Thailand: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.
Forecast for the next days in Chiang Mai
today☁️
29°💧 1.9 mm
Thu🌧️
31°💧 7.4 mm
Fri🌧️
24°💧 2.9 mm
Sat🌧️
25°💧 1.4 mm
Sun🌧️
24°💧 1 mm
Mon🌧️
31°💧 4.4 mm
Tue🌧️
31°💧 0.2 mm
Wed🌧️
29°💧 1.6 mm
14-day forecast - Chiang Mai
📅 Chiang Mai 30 & 45-day weather - long-range outlook
Next 16 days · forecast
28°
around 24° at night · days with rain: 13
Weeks 3-4 · avg for July
32°
around 24° at night · rain chance 75%
Weeks 5-7 · avg for August
32°
around 24° at night · rain chance 73%
The 30 & 45-day outlook for Chiang Mai: the next 16 days are a numerical forecast updated daily - on average 28° by day and 24° at night. Further out we rely on multi-year climate averages: around 32° in July, and about 32° in August. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Chiang Mai
Wednesday8 July 2026
☁️29°overcast clouds
Thursday9 July 2026
🌧️31°moderate rain
Friday10 July 2026
🌧️24°light rain
Saturday11 July 2026
🌧️25°light rain
Sunday12 July 2026
🌧️24°light rain
Monday13 July 2026
🌧️31°light rain
Tuesday14 July 2026
🌧️31°light rain
Wednesday15 July 2026
🌧️29°light rain
Thursday16 July 2026
🌧️26°light rain
Friday17 July 2026
🌧️24°light rain
Saturday18 July 2026
🌧️24°light rain
Sunday19 July 2026
🌧️25°light rain
Monday20 July 2026
🌧️28°light rain
Tuesday21 July 2026
🌧️29°moderate rain
Wednesday22 July 2026
🌧️31°moderate rain
Thursday23 July 2026
🌧️31°light rain
☀️ UV index in Chiang Mai - is it safe to sunbathe?
Today the UV index in Chiang Mai is 6 (moderate) - unprotected fair skin can burn in about 35 minutes. Seek shade around midday. SPF 30+, sunglasses and a hat for longer stays.
Air quality and smog in Chiang Mai
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Khlong Luang | 31.1 | 34.3 | good |
| Pak Kret | 29.6 | 33.4 | good |
| Nakhon Ratczasima | 13.2 | 16.9 | good |
| Bangkok | 12.8 | 15.8 | very good |
| Cziang Maj | 11.1 | 14.4 | very good |
| Chon Buri | 4 | 5.5 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 08:00).
Chiang Mai weather through the year
Warmest, driest months on average: January, February, October, November.
Nearby places
FAQ - Chiang Mai weather
What is the weather like in Chiang Mai today?
Today it is about 29° during the day and 27° at night, overcast clouds.
How far ahead can I check the forecast for Chiang Mai?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.