Ko Samui
Today
Today weather in Ko Samui
Wednesday, 16th September 2026
29°
Overcast
Feels like 33° · Low 26°
Ko Samui will have a warm day Today with temperatures ascending to 28 °C and descending to around 25 °C after sunset. Strong winds are anticipated in Ko Samui Today, nearing 38 km/h. Torrential rain is predicted with a total of over 40.47 mm. Stay safe!
29° / 26°
Temp
86%
Rain
38 km/h
Wind
79%
Humidity
Ko Samui Weather Pages
Ko Samui hourly forecast for today
Scroll right to see more weather forecasts for Ko Samui today
| 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 06:10 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 18:20 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| weather |  |  |  | | | | |  | | | | | | | |  | |  | | |  |  | |  | | | Next |
| temperatures | 28.9° | 28.8° | 28.7° | 28.7° | 28.6° | 28.6° | 28.6° | Sunrise | 28.3° | 28.2° | 28.1° | 28.2° | 28.4° | 28.7° | 28.5° | 28.7° | 28.3° | 28° | 27.7° | 27° | Sunset | 26.4° | 25.8° | 25.8° | 25.9° | 25.9° | |
| Feels like | 32.6° | 32.4° | 32.3° | 32.3° | 32.1° | 32.3° | 32.3° | 32.1° | 31.8° | 31.8° | 32.1° | 32.3° | 32.8° | 32.6° | 32.4° | 32.1° | 32.2° | 31.6° | 30.4° | 28.1° | 26.8° | 27° | 27.5° | 27.4° | |||
| wind speed | 5 km/h | 3 km/h | 1 km/h | 2 km/h | 2 km/h | 5 km/h | 8 km/h | 12 km/h | 16 km/h | 18 km/h | 22 km/h | 21 km/h | 19 km/h | 19 km/h | 15 km/h | 17 km/h | 22 km/h | 28 km/h | 37 km/h | 38 km/h | 28 km/h | 27 km/h | 25 km/h | 25 km/h | |||
| wind degree | 108° | 116° | 180° | 263° | 233° | 255° | 269° | 263° | 259° | 256° | 254° | 255° | 262° | 279° | 295° | 302° | 306° | 306° | 300° | 280° | 262° | 261° | 246° | 242° | |||
| wind direction | ESE | ESE | S | W | SW | WSW | W | W | W | WSW | WSW | WSW | W | W | WNW | WNW | NW | NW | WNW | W | W | W | WSW | WSW | |||
| Precipitation | 0.1 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0.4 mm | 2.9 mm | 1.6 mm | 1.8 mm | 11.7 mm | 8.2 mm | 4.7 mm | 5.5 mm | 3.6 mm | |||
| chance for rain | 28% | 8% | 19% | 18% | 18% | 19% | 19% | 20% | 21% | 21% | 21% | 21% | 20% | 20% | 16% | 42% | 78% | 70% | 76% | 94% | 93% | 89% | 90% | 86% | |||
| chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
| humidity | 71% | 71% | 72% | 72% | 72% | 72% | 73% | 75% | 76% | 77% | 76% | 75% | 74% | 75% | 73% | 75% | 80% | 82% | 86% | 92% | 92% | 92% | 92% | 92% | |||
| dew point | 23.1° | 23° | 23° | 23° | 23° | 23.1° | 23.2° | 23.4° | 23.5° | 23.6° | 23.7° | 23.6° | 23.7° | 23.6° | 23.3° | 23.5° | 24.3° | 24.3° | 24.4° | 25° | 24.3° | 24.4° | 24.4° | 24.4° | |||
| visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 7 km | 10 km | 10 km | 3 km | 3 km | 7 km | 7 km | 7 km | |||
| cloud cover | 98% | 33% | 100% | 99% | 99% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 100% | 99% | 70% | 100% | 100% | 96% | 100% | 100% | 100% | 100% | 100% | 99% | |||
| UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1.4 | 3.7 | 6.7 | 9.5 | 11.4 | 11.1 | 9.4 | 6.3 | 3 | 0.8 | 0 | 0 | 0 | 0 | 0 | 0 |
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Weather in Ko Samui today
The temperature today in Ko Samui is expected to be typical for this time of year, with a forecast of 29 °C, closely aligning with the historical average for 16th of September.
temperatures
29 °C
rain
40.5 mm
wind
38 km/h
UV
Extreme
🌫️ Air quality, UV & pollen - Ko Samui Live AQI, UV index and pollen levels. Air Quality →
Ko Samui daylight overview ☀️
Today in Ko Samui, The sun rises at 06:10 and sets at 18:20, giving a total daylight duration of 12 hours and 10 minutes.
Quick links
More Ko Samui weather pages
What to wear today in Ko Samui? clothing recommendations
Stay comfortably stylish - your tailored guide for today's Ko Samui forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Sunglasses
Wide brimmed hat
Sunscreen
Umbrella
The weather today in Ko Samui - FAQ
What is the maximum temperature for today in Ko Samui?
The maximum temperature for today in Ko Samui is expected to be 29° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in Ko Samui? 🌧️
Yes, there is a 86% chance of rain in Ko Samui today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in Ko Samui? 🌀
The wind in Ko Samui is expected to blow at 38 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in Ko Samui today?
Given the forecast of 29 °C with a 86% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in Ko Samui today.
What is the sunrise and sunset time for Ko Samui today?
The sun is expected to rise at 06:10 and set at 18:20 in Ko Samui.
How accurate is the weather forecast Ko Samui today? ✅
Ko Samui weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Where is Ko Samui?Get accurate weather forecasts for Ko Samui, located at latitude 9.536 and longitude 99.936. Stay updated with localized weather information tailored for Ko Samui.
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