Air and comfort
- Humidity
- 86% · Very humid
- Dew point
- 22°72°
- Wet bulb
- 23°73°
- Pressure
- 1,010 hPa758 mmHg29.84 inHg
Chiang Mai · Thailand
light rain from 6 PM18 for about 10 hours, around 9.2 mm0.36 in. Falling to 22°71° by 4 AM04.
27°81° Humidity 88% At a local weather station, at a distance of 34 km21 mi north
Model updated 7:00 AM07:00 · Forecast 5:51 PM17:51 local time
The high-pressure system from China extend to the upper North and the upper Northeast of Thailand leading to the monsoon trough move down to lies across the lower North, the upper Central and the Northeast into an active low-pressure cell over the middle South China Sea. Meanwhile, the moderate southwest monsoon prevails over the Andaman Sea, the South, the Central, the East and the Gulf. Continuous rainfalls and isolated heavy rains are forecast in the country while isolated heavy to very heavy rains are possible in the western part of the North, the lower Northeast, the Central including Bangkok and its vicinity and the East regions.
After that during 11-13 September 2026, the high-pressure system from China will extend to the upper North and the upper Northeast of Thailand leading to the monsoon trough will move down to lie across the lower Central, the lower Northeast and the East into an active low-pressure cell over the middle South China Sea. Meanwhile, the southwest monsoon prevailing over the Andaman Sea the South and the Gulf will strengthen. Continuous rainfalls and isolated heavy to very heavy rains are forecast in the lower North, the Central including Bangkok and its vicinity, the East and the South while less rains are forecast in the North and the upper Northeast regions.
The moderate winds and waves in the upper Andaman Sea are expected about 2 meters high and above 2 meters high in thundershowers.
In addition, 11-13 September, 2026, an active low-pressure cell over the middle South China Sea is expected to intensify to tropical storm and will move near the coast of upper Vietnam during 14 – 15 September 2026.Sea is expected to intensify to tropical storm and will move near the coast of upper Vietnam during 14 – 15 September 2026.
People should beware of heavy to very heavy rains and accumulation that may cause flash floods, overflows and landslides especially along the waterways near foothills and lowlands.
All ships should proceed with caution and keep off thundershowers.
Please stay tuned for the weather update.
Issued by TMD
The high-pressure system from China extend to the upper North and the upper Northeast of Thailand leading to the monsoon trough move down to lies across the lower North, the upper Central and the lower Northeast into an active low-pressure cell over the middle South China Sea. Meanwhile, the moderate southwest monsoon prevails over the Andaman Sea, the South, the Central, the East and the Gulf. Isolated heavy rains are forecast in the country while isolated heavy to very heavy rains are possible in the North, the Northeast, the Central including Bangkok and its vicinity, the East and the South regions.
The moderate winds and waves in the upper Andaman Sea are expected about 2 meters high and above 2 meters high in thundershowers.
People should beware of heavy to very heavy rains and accumulation that may cause flash floods, overflows and landslides especially along the waterways near foothills and lowlands.
All ships should proceed with caution and keep off thundershowers.
In addition, 11-13 September, 2026, an active low-pressure cell over the middle South China Sea is expected to intensify to tropical storm and will move near the coast of upper Vietnam during 13-14 September 2026. Please stay tuned for the weather update.
Issued by TMD
From this page’s own forecast
Stay out of the sun in the middle of the day, drink water, and never leave anyone in a parked vehicle.
| Heavy Rain · Heavy Rain | Heavy Rain | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hour | Now | 7 PM19 | 8 PM20 | 9 PM21 | 10 PM22 | 11 PM23 | 12 AM00 | 1 AM01 | 2 AM02 | 3 AM03 | 4 AM04 | 5 AM05 | 6 AM06 | 7 AM07 | 8 AM08 | 9 AM09 | 10 AM10 | 11 AM11 | 12 PM12 | 1 PM13 | 2 PM14 | 3 PM15 | 4 PM16 | 5 PM17 | 6 PM18 |
| Sky | |||||||||||||||||||||||||
| Temperature | 25°77° | 24°75° | 24°75° | 24°74° | 23°74° | 23°73° | 23°73° | 22°72° | 22°72° | 22°71° | 22°71° | 22°71° | 22°71° | 22°71° | 23°74° | 25°77° | 26°79° | 27°81° | 28°83° | 29°85° | 29°85° | 29°85° | 29°84° | 28°82° | 26°79° |
| Feels like | 27°81° | 27°80° | 26°79° | 26°79° | 26°78° | 25°78° | 25°77° | 25°77° | 24°76° | 24°75° | 24°74° | 24°75° | 24°75° | 27°80° | 31°88° | 34°93° | 36°97° | 36°97° | 37°98° | 37°99° | 37°99° | 37°99° | 37°99° | 35°96° | 32°89° |
| Humidity % | 86 | 89 | 89 | 90 | 90 | 90 | 90 | 89 | 90 | 92 | 93 | 92 | 92 | 92 | 85 | 78 | 72 | 67 | 62 | 57 | 57 | 58 | 58 | 64 | 72 |
| Wind km/hm/smphkn | SE2 | S1 | SE1 | SE1 | SE2 | E2 | E2 | E2 | E2 | NE3 | NE4 | NE3 | NE3 | NE3 | NE4 | E4 | E5 | E6 | E7 | E8 | E8 | E7 | E6 | E5 | SE3 |
| Gusts km/hm/smphkn | 21 | 19 | 16 | 13 | 10 | 11 | 12 | 13 | 16 | 18 | 21 | 19 | 18 | 16 | 19 | 22 | 26 | 28 | 29 | 31 | 31 | 31 | 31 | 29 | 26 |
| Rain mm/hin/h | 0.4 | 0.4 | 0.4 | 2.2 | 2.2 | 2.2 | 0.3 | 0.3 | 0.3 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.1 | 0.1 | 0.1 | ||||
Light rain, turning Drizzle in the evening. Up to 26°79° around 1 PM13 and down to 22°72° around 4 AM04. It peaks at a felt 33°91° around 4 PM16. About 20.0 mm0.79 in of rain in total.
| overnight | 23°74° | W 1 km/h0.4 m/s1 mph1 kn | |
|---|---|---|---|
| in the morning | 25°78° | E 3 km/h0.8 m/s2 mph2 kn | |
| in the afternoon | 26°79° | SE 3 km/h0.9 m/s2 mph2 kn | |
| in the evening | 25°76° | SE 2 km/h0.4 m/s1 mph1 kn |
Drizzle through the day. Up to 29°85° around 1 PM13 and down to 22°71° around 4 AM04. It peaks at a felt 37°99° around 3 PM15. About 10.1 mm0.40 in of rain in total.
Will feel about 48° warmer than today.
| overnight | 23°73° | NE 4 km/h1.1 m/s2 mph2 kn | |
|---|---|---|---|
| in the morning | 27°81° | E 6 km/h1.7 m/s4 mph3 kn | |
| in the afternoon | 29°85° | E 8 km/h2.3 m/s5 mph5 kn | |
| in the evening | 26°79° | E 3 km/h0.9 m/s2 mph2 kn |
Drizzle, turning Light thundery rain overnight. Up to 30°86° around 4 PM16 and down to 21°70° around 4 AM04. It peaks at a felt 38°101° around 4 PM16. About 4.3 mm0.17 in of rain in total.
| overnight | 23°73° | NE 2 km/h0.6 m/s1 mph1 kn | |
|---|---|---|---|
| in the morning | 28°82° | NE 5 km/h1.4 m/s3 mph3 kn | |
| in the afternoon | 30°86° | 38°101° | NE 5 km/h1.3 m/s3 mph3 kn |
| in the evening | 27°80° | E 1 km/h0.4 m/s1 mph1 kn |
Mostly cloudy, turning Mostly sunny in the morning. Up to 32°89° around 1 PM13 and down to 22°71° around 4 AM04. It peaks at a felt 39°102° around 1 PM13. About 0.1 mm0.00 in of rain in total.
| overnight | 23°74° | N 2 km/h0.6 m/s1 mph1 kn | |
|---|---|---|---|
| in the morning | 30°86° | NE 8 km/h2.1 m/s5 mph4 kn | |
| in the afternoon | 32°89° | 39°102° | NE 9 km/h2.4 m/s5 mph5 kn |
| in the evening | 28°83° | NE 5 km/h1.3 m/s3 mph3 kn |
Mostly cloudy, turning Drizzle in the morning. Up to 33°91° around 1 PM13 and down to 22°72° around 4 AM04. It peaks at a felt 39°103° around 1 PM13. About 0.2 mm0.01 in of rain in total.
| overnight | 23°74° | N 3 km/h0.9 m/s2 mph2 kn | |
|---|---|---|---|
| in the morning | 31°88° | 38°101° | NE 8 km/h2.3 m/s5 mph4 kn |
| in the afternoon | 33°91° | 39°103° | NE 10 km/h2.7 m/s6 mph5 kn |
| in the evening | 29°84° | E 5 km/h1.3 m/s3 mph3 kn |
Drizzle, turning Overcast overnight. Up to 33°92° around 1 PM13 and down to 24°76° around 4 AM04. It peaks at a felt 40°104° around 1 PM13. About 3.1 mm0.12 in of rain in total.
| overnight | 25°77° | N 3 km/h0.7 m/s2 mph1 kn | |
|---|---|---|---|
| in the morning | 32°89° | 39°103° | N 7 km/h2.1 m/s5 mph4 kn |
| in the afternoon | 33°92° | 40°104° | NE 11 km/h2.9 m/s7 mph6 kn |
| in the evening | 29°84° | NE 5 km/h1.4 m/s3 mph3 kn |
Conditions now, and better times ahead
Peak geometry uses the exact apparent positions and sizes of the Sun, Moon and Earth’s shadow at this location.
Never look at the Sun without certified eclipse eye protection.
Safe to watch with the unaided eye; the visible window counts only the Moon’s passage through the umbra.