Weather in Ko Samui, Thailand 🇹🇭
The current temperature in Ko Samui is 29°C, clear, feeling like 32°C. The air is at 69% humidity and winds are about 23 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in Ko Samui from about 28°C to 30°C.
Hourly Forecast for Ko Samui
14-Day Forecast for Ko Samui
Sunny
Patchy rain nearby
Sunny
Patchy rain nearby
Partly Cloudy
Partly Cloudy
Patchy rain nearby
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Additional Forecasts for Ko Samui
Air Quality
Historical Weather
Weather Forecasts for Other Cities in Thailand
Best Time to Be Outside in Ko Samui Today
The most comfortable window in Ko Samui today looks like 07:00 to 10:00, when it is around 28°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Ko Samui
What is the temperature in Ko Samui right now?
The current temperature in Ko Samui is 29°C (84°F), clear (feels like 32°C).
What's the weather like in Ko Samui right now?
Right now Ko Samui has Clear, humidity 69%, wind 23 km/h WNW.
What is today's forecast for Ko Samui?
Today in Ko Samui: high 29°C, low 28°C, sunny. Chance of rain: 57%.
What is the 7-day weather forecast for Ko Samui?
Daily highs and lows for Ko Samui:
- 2026-08-01: 29°C / 28°C
- 2026-08-02: 29°C / 28°C
- 2026-08-03: 30°C / 28°C
- 2026-08-04: 30°C / 28°C
- 2026-08-05: 30°C / 28°C
- 2026-08-06: 29°C / 28°C
- 2026-08-07: 29°C / 28°C
Is it going to rain in Ko Samui today?
There is a 57% chance of rain in Ko Samui today. Total expected precipitation: 1.29 mm.
What is the wind speed in Ko Samui right now?
Wind in Ko Samui is currently 23 km/h (14 mph) from the WNW.
What is the UV index in Ko Samui right now?
The UV index in Ko Samui is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
