worldweather31°Cexceptionally warm
usually 29°C–30°C
warmer than 96% of similar days
night: exceptionally warm
rain: exceptionally dry
wind: exceptionally strong
Weather in Thailand - today, tomorrow and 14-day forecast
Right now temperatures across Thailand range from 27° to 32°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.
Country values are the median of forecasts from 10 cities; the range shows local differences. Methodology.
Weather in Thailand's cities today
☁️Bangkok
32°💧 1 mm
🌧️Phitsanulok
32°💧 0.8 mm
🌧️Samut Prakan
32°💧 0.2 mm
🌧️Ko Samui
32°💧 0.6 mm
🌧️Sukhothai
31°💧 1.7 mm
☁️Phuket
30°💧 0.6 mm
🌧️Ko Pha Ngan
30°💧 1 mm
🌧️Chiang Mai
28°💧 8.3 mm
🌧️Chiang Rai
28°💧 6 mm
🌧️Ko Chang
27°💧 4.2 mm
Weather map - today's temperatures
Next days in Thailand
today🌧️
31°💧 1 mm
Sun🌧️
32°💧 2 mm
Mon🌧️
30°💧 1.1 mm
Tue🌧️
29°💧 3.6 mm
Wed🌧️
28°💧 1.5 mm
Thu🌧️
30°💧 14.7 mm
Fri🌧️
29°💧 18.6 mm
Sat🌧️
27°💧 6.5 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Sunday 6 Sept in Thailand, the forecast high is 32°C. Typical daytime temperatures at this time of year range from 29°C to 30°C, so it will be exceptionally warm. It is warmer than 99% of similar days.
32°Cexceptionally warm
usually 29°C–30°C
warmer than 99% of similar days
night: exceptionally warm
rain: exceptionally dry
wind: exceptionally strong
30°Cwarmer than usual
usually 29°C–30°C
warmer than 85% of similar days
night: exceptionally warm
rain: exceptionally dry
wind: exceptionally strong
29°Cnear normal
usually 29°C–30°C
night: exceptionally warm
rain: less rain than usual
wind: exceptionally strong
28°Ccooler than usual
usually 29°C–30°C
cooler than 85% of similar days
night: exceptionally warm
rain: exceptionally dry
wind: exceptionally strong
30°Cexceptionally warm
usually 29°C–30°C
warmer than 95% of similar days
night: warmer than usual
rain: exceptionally wet
wind: typical
29°Ccooler than usual
usually 29°C–30°C
cooler than 78% of similar days
night: exceptionally warm
rain: exceptionally wet
wind: stronger than usual
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 29°C by day. The coolest year was 1986 (28°C) and the warmest was 2009 (30°C). The current forecast averages 30°C - higher than in 96% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
Weather warnings - Thailand
Heavy rain1 bulletin · in effect today · in effect now
Heavy rainfall may cause local flooding and traffic disruption. Take care on the roads and near watercourses.
Source: national weather service via the WMO Severe Weather Information Centre, as of 2026-09-05 11:08:09 UTC. 1 active bulletins in total. See alerts worldwide →
14-day forecast - Thailand
Thailand 30 & 45-day weather - long-range outlook
Next 16 days · forecast
29°
around 26° at night · days with rain: 15
Weeks 3-4 · avg for September
32°
around 25° at night · rain chance 57%
Weeks 5-7 · avg for October
32°
around 25° at night · rain chance 49%
The 30 & 45-day outlook for Thailand: the next 16 days are a numerical forecast updated daily - on average 29° by day and 26° at night. Further out we rely on multi-year climate averages: around 32° in September, and about 32° in October. Forecasts beyond two weeks are indicative only.
Today vs the next days - Thailand cities
| City | Today | +3 days | +7 days | Rain today |
|---|---|---|---|---|
| ☁️ Bangkok | 32℃ | 32℃ | 27℃ | 1 mm |
| 🌧️ Phitsanulok | 32℃ | 31℃ | 31℃ | 0.8 mm |
| 🌧️ Samut Prakan | 32℃ | 31℃ | 27℃ | 0.2 mm |
| 🌧️ Ko Samui | 32℃ | 29℃ | 27℃ | 0.6 mm |
| 🌧️ Sukhothai | 31℃ | 32℃ | 31℃ | 1.7 mm |
| ☁️ Phuket | 30℃ | 29℃ | 27℃ | 0.6 mm |
| 🌧️ Ko Pha Ngan | 30℃ | 29℃ | 27℃ | 1 mm |
| 🌧️ Chiang Mai | 28℃ | 29℃ | 32℃ | 8.3 mm |
| 🌧️ Chiang Rai | 28℃ | 24℃ | 30℃ | 6 mm |
| 🌧️ Ko Chang | 27℃ | 26℃ | 24℃ | 4.2 mm |
Day-by-day forecast for Thailand
Saturday5 September 2026
🌧️31°light rain
Sunday6 September 2026
🌧️32°light rain
Monday7 September 2026
🌧️30°light rain
Tuesday8 September 2026
🌧️29°light rain
Wednesday9 September 2026
🌧️28°light rain
Thursday10 September 2026
🌧️30°moderate rain
Friday11 September 2026
🌧️29°moderate rain
Saturday12 September 2026
🌧️27°moderate rain
Sunday13 September 2026
🌧️29°light rain
Monday14 September 2026
🌧️28°light rain
Tuesday15 September 2026
🌧️27°moderate rain
Wednesday16 September 2026
🌧️32°light rain
Thursday17 September 2026
🌧️30°moderate rain
Friday18 September 2026
🌧️26°light rain
Saturday19 September 2026
🌧️29°light rain
Sunday20 September 2026
🌧️28°moderate rain
Sea temperature - Thailand
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Samut Prakan | 31℃ | 31℃ | 0.4 m | very warm |
| Ko Samui | 31℃ | 30℃ | 0.2 m | very warm |
| Ko Pha Ngan | 30℃ | 30℃ | 0.2 m | very warm |
| Phuket | 30℃ | 30℃ | 0.6 m | very warm |
| Ko Chang | 30℃ | 29℃ | 0.7 m | very warm |
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Thailand
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Khlong Luang | 20.3 | 23.7 | good |
| Pak Kret | 18.6 | 22.1 | good |
| Bangkok | 14.3 | 19.3 | good |
| Cziang Maj | 13.4 | 15.3 | good |
| Nakhon Ratczasima | 9.6 | 12.3 | very good |
| Chon Buri | 8.7 | 13.9 | very good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 08:00).
Thailand weather through the year
Thailand weather month by month - when is the best time to go?
Weather in other countries in Asia
Public holidays in Thailand - when are the long weekends?
Next long weekend in Thailand: King Bhumibol Memorial Day (13 October, Tuesday) - Saturday–Tuesday if you take Monday off (4 days).
2026
13 OctoberTuesday
King Bhumibol Memorial Day
long weekend + bridge day23 OctoberFriday
Chulalongkorn Day
long weekend7 DecemberMonday
King Bhumibol's Birthday, National Day and Father's Day
long weekend10 DecemberThursday
Constitution Day
long weekend + bridge day31 DecemberThursday
New Year's Eve
long weekend + bridge dayPublic holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave. Lunar holiday dates marked as tentative may shift by one day after the official announcement.
Calendar sources · Verified on .
FAQ - Thailand weather
What is the weather like in Thailand today?
Today it is about 31° during the day and 29° at night, light rain.
How far ahead can I check the forecast for Thailand?
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.