15-Day Weather Forecast - Chiang Mai
15-day weather forecast for Chiang Mai: temperatures from 23°C (73°F) to 33°C (91°F). Average daily high 29°C (84°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Chiang Mai's 15-day outlook ranges from a low of 23°C to a high of 33°C, with an average daytime high near 29°C. That's 1° 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. Air quality is currently Moderate (AQI 96), driven mainly by PM2.5 at 36 μg/m³.
Today vs 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.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.
Extended Outlook for Chiang Mai
Over the next 15 days, Chiang Mai is forecast to see temperatures ranging from 22°C to 33°C, averaging a daily high of 29°C. The extended outlook indicates significant rainfall totalling 289.2 mm spread across 15 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.