Weather Forecast for Koh Samui
Surat Thani, Thailand
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Current Weather - Koh Samui: 29°C
Current Weather - Koh Samui: 29°C
Surat Thani, Thailand
Patchy rain nearby
Feels like 35°C
Wind
32 km/h WSW
Humidity
75%
Pressure
1011 mb
UV Index
0
Visibility
9 km
Patchy rain nearby
Friday, August 14, 2026
High
30°C
Low
28°C
Rain Chance
72%
Hourly Forecast
30°C
30°C
30°C
30°C
30°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
34 km/h
Humidity
75%
Precipitation
6 mm
UV Index
12
Visibility
10 km
Rain Chance
72%
Snow Chance
0%
Sun & Moon
Sunrise
06:11 AM
Sunset
06:37 PM
Moonrise
07:14 AM
Moonset
07:49 PM
Moon Phase
Waxing Crescent
Moon Illumination
5%
Air Quality
PM2.5
6.7
μg/m³
PM10
10.6
μg/m³
NO₂
1.4
μg/m³
O₃
51.9
μg/m³
SO₂
0.7
μg/m³
CO
115.3
μg/m³
Patchy rain nearby
Saturday, August 15, 2026
High
30°C
Low
28°C
Rain Chance
75%
Hourly Forecast
28°C
28°C
29°C
29°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
30°C
30°C
29°C
29°C
28°C
28°C
29°C
29°C
Day Statistics
Maximum Wind
41 km/h
Humidity
74%
Precipitation
7 mm
UV Index
8
Visibility
10 km
Rain Chance
75%
Snow Chance
0%
Sun & Moon
Sunrise
06:11 AM
Sunset
06:37 PM
Moonrise
08:10 AM
Moonset
08:34 PM
Moon Phase
Waxing Crescent
Moon Illumination
11%
Air Quality
PM2.5
4.4
μg/m³
PM10
6.4
μg/m³
NO₂
1.1
μg/m³
O₃
53.5
μg/m³
SO₂
0.5
μg/m³
CO
112
μg/m³
Partly Cloudy
Sunday, August 16, 2026
High
29°C
Low
28°C
Rain Chance
71%
Hourly Forecast
29°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
28°C
29°C
29°C
28°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
38 km/h
Humidity
74%
Precipitation
5 mm
UV Index
11
Visibility
10 km
Rain Chance
71%
Snow Chance
0%
Sun & Moon
Sunrise
06:11 AM
Sunset
06:37 PM
Moonrise
09:04 AM
Moonset
09:17 PM
Moon Phase
Waxing Crescent
Moon Illumination
18%
Air Quality
PM2.5
1.6
μg/m³
PM10
2.1
μg/m³
NO₂
1
μg/m³
O₃
48.9
μg/m³
SO₂
0.4
μg/m³
CO
101.9
μg/m³
Patchy rain nearby
Monday, August 17, 2026
High
29°C
Low
28°C
Rain Chance
69%
Hourly Forecast
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
39 km/h
Humidity
76%
Precipitation
3 mm
UV Index
11
Visibility
10 km
Rain Chance
69%
Snow Chance
0%
Sun & Moon
Sunrise
06:11 AM
Sunset
06:36 PM
Moonrise
09:57 AM
Moonset
10:01 PM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Air Quality
PM2.5
1.7
μg/m³
PM10
2.4
μg/m³
NO₂
1.2
μg/m³
O₃
49
μg/m³
SO₂
0.5
μg/m³
CO
109.3
μg/m³
Patchy rain nearby
Tuesday, August 18, 2026
High
29°C
Low
26°C
Rain Chance
75%
Hourly Forecast
28°C
28°C
27°C
27°C
27°C
27°C
27°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
28°C
29°C
29°C
29°C
29°C
28°C
28°C
27°C
26°C
27°C
Day Statistics
Maximum Wind
44 km/h
Humidity
75%
Precipitation
6 mm
UV Index
8
Visibility
10 km
Rain Chance
75%
Snow Chance
0%
Sun & Moon
Sunrise
06:11 AM
Sunset
06:36 PM
Moonrise
10:50 AM
Moonset
10:47 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
1.3
μg/m³
PM10
1.7
μg/m³
NO₂
1.3
μg/m³
O₃
49.9
μg/m³
SO₂
0.5
μg/m³
CO
106.1
μg/m³
Partly Cloudy
Wednesday, August 19, 2026
High
30°C
Low
27°C
Rain Chance
13%
Hourly Forecast
27°C
27°C
27°C
27°C
27°C
27°C
27°C
27°C
27°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
29°C
29°C
30°C
29°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
36 km/h
Humidity
73%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
13%
Snow Chance
0%
Sun & Moon
Sunrise
06:11 AM
Sunset
06:35 PM
Moonrise
11:44 AM
Moonset
11:35 PM
Moon Phase
First Quarter
Moon Illumination
48%
Partly Cloudy
Thursday, August 20, 2026
High
31°C
Low
28°C
Rain Chance
9%
Hourly Forecast
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
30°C
30°C
31°C
31°C
31°C
31°C
30°C
30°C
30°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
39 km/h
Humidity
71%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
06:11 AM
Sunset
06:35 PM
Moonrise
12:39 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
58%
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