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      Elev 0 ft, 9.510 °N 99.999 °E

      Ko Samui, TH

      Ko Samui Station82°
      Updated: 7:47 AM GMT+07:00 on September 22, 2026 (GMT +7)
      8 minutes ago
      80°
      74°
      82
      Feels Like 91
      Mostly Cloudy
      N
      0
      Lower temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Tue 09/22
        High 80°f
         54% Precip. / 0.1 in
        Overcast with rain showers at times. High near 80F. Winds NW at 5 to 10 mph. Chance of rain 50%.
        Tonight
        Tue 09/22
        Low 74°f
         64% Precip. / 0.43 in
        Scattered thunderstorms this evening followed by occasional showers overnight. Low 74F. Winds WNW at 5 to 10 mph. Chance of rain 60%.
        Tomorrow
        Wed 09/23
        High 79°f74°f
         62% Precip. / 0.49 in
        Cloudy with occasional rain showers. High 79F. Winds WNW at 10 to 20 mph. Chance of rain 60%.
        Hourly Forecast
        Now
        77°
        8AM
        77°
        9AM
        34%
        78°
        10AM
        54%
        79°
        11AM
        54%
        80°
        12PM
        48%
        79°
        1PM
        30%
        79°
        2PM
        80°
        3PM
        79°
        4PM
        79°
        5PM
        79°
        6PM
        40%
        78°
        6:16PM
        Sunset
        7PM
        47%
        77°
        8PM
        53%
        76°
        9PM
        51%
        76°
        10PM
        40%
        76°
        11PM
        51%
        75°
        12AM
        56%
        75°
        1AM
        55%
        75°
        2AM
        64%
        75°
        3AM
        55%
        75°
        4AM
        40%
        75°
        5AM
        40%
        75°
        6AM
        75°
        6:09AM
        Sunrise
        7AM
        31%
        75°
        Precipitation
        64%
        Rain likely around 9:45 AM
        Pollen
        None
        Air Quality
        25
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.87 in
        2. Visibility 6 miles
        3. Clouds Cloudy
        4. Dew Point72°F
        5. Humidity 85%
        6. Rainfall 0.03 in
        7. Snow Depth 0 in
         VTSM Station History
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 89°F -°F
        4. Low 74°F 76°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.53 in 0.15 in -
        7. Snow 0 in - in -
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 89°F -°F
        4. Low 74°F 76°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:09 AM 6:16 PM
        3. Civil Twilight 5:48 AM 6:37 PM
        4. Nautical Twilight 5:23 AM 7:01PM
        5. Astronomical Twilight 4:59 AM 7:25 PM
        1. Length of Visible Light 12h 48m
        2. Length of Day 12h 6m
        3. Tomorrow will be 30 seconds shorter
        1. Moon 3:11 PM 2:16 AM
        2. Waxing Gibbous81% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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