Updated at 15:19 (local time)

Weather in Ko Samui, TH

Surat Thani · Thailand
27°
Current weather: heavy intensity rain
Heavy intensity rain
↑ 27°↓ 26° Feels like 27°
No change expected in the next 24 hours
  • Heavy rain From Thursday, 16:00

Next 24 hours

Precipitation (mm)
  1. 26° heavy intensity rain 3.6 21 km/h 16:00
  2. 27° heavy intensity rain 2.6 22 km/h 19:00
  3. 26° heavy intensity rain 3.7 22 km/h 22:00
  4. 26° heavy intensity rain 5.7 23 km/h 01:00
  5. 27° heavy intensity rain 3.7 22 km/h 04:00
  6. 27° heavy intensity rain 6.8 17 km/h 07:00
  7. 27° moderate rain 2.1 13 km/h 10:00
  8. 27° light rain 0.6 15 km/h 13:00

10-day forecast

Hourly Forecast ↓
  1. Thursday 12.11 heavy intensity rain 27° 26° 9.9 mm
  2. Friday 13.11 heavy intensity rain 27° 26° 29.1 mm
  3. Saturday 14.11 moderate rain 28° 26° 16.1 mm
  4. Sunday 15.11 overcast clouds 29° 26° 3.9 mm
  5. Monday 16.11 few clouds 30° 26° 6.2 mm
  6. Tuesday 17.11 few clouds 30° 26° 0.6 mm
  7. Wednesday 18.11 light rain 29° 27° 3.8 mm
  8. Thursday 19.11 light intensity shower rain 28° 25° 12.6 mm
  9. Friday 20.11 light intensity shower rain 29° 25° 7.6 mm
  10. Saturday 21.11 moderate rain 29° 27° 6.8 mm

Thursday 11/12/2026 · heavy intensity rain

  1. 16:00 heavy intensity rain 26° 3.6 mm 21 km/h 87%
  2. 19:00 heavy intensity rain 27° 2.6 mm 22 km/h 89%
  3. 22:00 heavy intensity rain 26° 3.7 mm 22 km/h 89%

Friday 11/13/2026 · heavy intensity rain

  1. 01:00 heavy intensity rain 26° 5.7 mm 23 km/h 89%
  2. 04:00 heavy intensity rain 27° 3.7 mm 22 km/h 90%
  3. 07:00 heavy intensity rain 27° 6.8 mm 17 km/h 87%
  4. 10:00 moderate rain 27° 2.1 mm 13 km/h 86%
  5. 13:00 light rain 27° 0.6 mm 15 km/h 85%
  6. 16:00 heavy intensity rain 27° 1.7 mm 15 km/h 87%
  7. 19:00 heavy intensity rain 27° 2 mm 15 km/h 86%
  8. 22:00 heavy intensity rain 26° 6.5 mm 18 km/h 89%

Saturday 11/14/2026 · moderate rain

  1. 01:00 heavy intensity rain 26° 7 mm 17 km/h 88%
  2. 04:00 shower rain 27° 1.1 mm 15 km/h 89%
  3. 07:00 heavy intensity rain 27° 6.5 mm 13 km/h 87%
  4. 10:00 light rain 28° 0.5 mm 15 km/h 85%
  5. 13:00 overcast clouds 28° – 20 km/h 82%
  6. 16:00 moderate rain 28° 1 mm 16 km/h 79%
  7. 19:00 scattered clouds 28° – 12 km/h 81%
  8. 22:00 overcast clouds 28° – 11 km/h 81%

Sunday 11/15/2026 · overcast clouds

  1. 01:00 shower rain 27° 0.6 mm 10 km/h 83%
  2. 04:00 moderate rain 27° 1.5 mm 10 km/h 87%
  3. 07:00 light rain 29° 0.6 mm 12 km/h 88%
  4. 13:00 overcast clouds 29° 0.6 mm 6 km/h 80%
  5. 19:00 scattered clouds 27° 0.6 mm 4 km/h 82%

Monday 11/16/2026 · few clouds

  1. 01:00 scattered clouds 27° 0.4 mm 4 km/h 84%
  2. 07:00 overcast clouds 30° 0.2 mm 6 km/h 88%
  3. 13:00 few clouds 30° 0.4 mm 4 km/h 79%
  4. 19:00 shower rain 28° 5.2 mm 6 km/h 81%

Tuesday 11/17/2026 · few clouds

  1. 01:00 scattered clouds 27° – 6 km/h 87%
  2. 07:00 few clouds 30° 0.2 mm 10 km/h 83%
  3. 13:00 few clouds 30° 0.4 mm 13 km/h 75%
  4. 19:00 few clouds 28° – 8 km/h 79%

Wednesday 11/18/2026 · light rain

  1. 01:00 light intensity shower rain 28° 1.6 mm 11 km/h 85%
  2. 07:00 light intensity shower rain 28° 1.2 mm 13 km/h 87%
  3. 13:00 light rain 29° 0.8 mm 12 km/h 77%
  4. 19:00 clear sky 28° 0.2 mm 14 km/h 80%

Thursday 11/19/2026 · light intensity shower rain

  1. 01:00 shower rain 28° 2.4 mm 8 km/h 82%
  2. 07:00 shower rain 28° 4.6 mm 15 km/h 88%
  3. 13:00 light intensity shower rain 28° 0.8 mm 21 km/h 81%
  4. 19:00 moderate rain 28° 4.8 mm 16 km/h 79%

Friday 11/20/2026 · light intensity shower rain

  1. 01:00 moderate rain 27° 6 mm 13 km/h 92%
  2. 07:00 light rain 29° 1 mm 13 km/h 87%
  3. 13:00 light intensity shower rain 29° 0.6 mm 16 km/h 76%
  4. 19:00 scattered clouds 29° – 14 km/h 77%

Saturday 11/21/2026 · moderate rain

  1. 01:00 few clouds 28° 0.2 mm 16 km/h 75%
  2. 07:00 shower rain 29° 3.8 mm 13 km/h 79%
  3. 13:00 moderate rain 28° 2.8 mm 9 km/h 82%

Today in detail

Sun

Sunrise06:13
Sunset17:55

Day length: 11 h 42 min

Wind

from E · 83°

Moon

Waxing crescent

7% lit

Air quality

Fair

PM2.5
3.8
PM10
5.6
Ozone (O₃)
84
Nitrogen dioxide (NO₂)
0.9

Air quality is acceptable for most people.

Humidity

86%

Dew point: 24°C

Pressure

1010 hPa

Steady

Weather overview: Ko Samui, TH

Right now in Ko Samui, TH the temperature is 27°C with heavy intensity rain. Humidity is at 86%, atmospheric pressure is 1010 hPa and the wind blows at 23.4 km/h.

The sun rises at 06:13 and sets at 17:55 (local time).

Over the next 10 days temperatures in Ko Samui will range between 25° and 30°. The warmest day is expected to be Monday.

The air quality is currently fair. Air quality is acceptable for most people.

Latitude 9.535670Longitude 99.935669Timezone: GMT+07:00

Ko Samui 27° Lao Suea Kok 29° Ban Nong Daeng 28° Ban Ton Kluea 27° Ban Phra Thaen 29° Nong Khayang 28° Ban Mae Wan 23° Khlong Hoi Khong 26° Thung Khao Luang 30° Wichian Buri 30° Ban Phae 27° Kantharawichai 30°

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