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      Si Ma Cai, VN
      Updated: 7:12 AM GMT+07:00 on September 3, 2026 (GMT +7)
      5 minutes ago
      84°
      64°
      67
      Feels Like 67
      Sunny
      N
      4
      Similar 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
        Thu 09/03
        High 84°f
         5% Precip. / 0 in
        Partly cloudy. High 84F. Winds light and variable.
        Tonight
        Thu 09/03
        Low 65°f
         6% Precip. / 0 in
        Generally clear skies. Low near 65F. Winds light and variable.
        Tomorrow
        Fri 09/04
        High 83°f66°f
         24% Precip. / 0 in
        Partly cloudy skies. High 83F. Winds NNE at 5 to 10 mph.
        Hourly Forecast
        Now
        67°
        8AM
        70°
        9AM
        74°
        10AM
        77°
        11AM
        80°
        12PM
        81°
        1PM
        82°
        2PM
        82°
        3PM
        83°
        4PM
        82°
        5PM
        80°
        6PM
        77°
        6:18PM
        Sunset
        7PM
        75°
        8PM
        73°
        9PM
        71°
        10PM
        70°
        11PM
        69°
        12AM
        69°
        1AM
        68°
        2AM
        67°
        3AM
        66°
        4AM
        66°
        5AM
        66°
        5:46AM
        Sunrise
        6AM
        66°
        7AM
        67°
        Precipitation
        6%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        33
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.81 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point60°F
        5. Humidity 77%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         VVDB Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 84°F -°F -°F
        4. Low 64°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 83°F -°F -°F
        4. Low 64°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:45 AM 6:18 PM
        3. Civil Twilight 5:23 AM 6:41 PM
        4. Nautical Twilight 4:56 AM 7:07PM
        5. Astronomical Twilight 4:29 AM 7:34 PM
        1. Length of Visible Light 13h 17m
        2. Length of Day 12h 32m
        3. Tomorrow will be 1 minute 16 seconds shorter
        1. Moon 10:21 PM 11:24 AM
        2. Waning Gibbous57% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 11
        New Moon
        Sep 19
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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