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      Elev 256 ft, 38.502 °N 122.473 °W

      St. Helena, CA

      St. Helena Station74°
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      Tue 10/20
      73°
      51°
      Cloudy
      0
      Wed 10/21
      73°
      53°
      Cloudy
      0
      Thu 10/22
      66°
      48°
      Mostly Cloudy
      0
      Fri 10/23
      76°
      42°
      Partly Cloudy
      0
      Sat 10/24
      79°
      43°
      Sunny
      0
      Sun 10/25
      78°
      45°
      Partly Cloudy
      0
      Mon 10/26
      79°
      45°
      Partly Cloudy
      0
      Tue 10/27
      80°
      46°
      Partly Cloudy
      0
      Wed 10/28
      76°
      46°
      Partly Cloudy
      0
      Thu 10/29
      72°
      43°
      Partly Cloudy
      0
              Additional Conditions
              1. Pressure 29.84 in
              2. Visibility 10 miles
              3. Clouds Partly Cloudy
              4. Dew Point40°F
              5. Humidity 29%
              6. Rainfall 0 in
              7. Snow Depth 0 in
               KSTS Station History
              Almanac for October 20, 2026
              1. Forecast Average Record
              2. Temperature
              3. High 73°F 77°F 95°F 2022
              4. Low 44°F 49°F 27°F 1949
              5. Rain/Snow Depth
              6. Precipitation 0 in 3.8 in -
              7. Snow 0 in 0 in -
              Almanac for October 21, 2026
              1. Forecast Average Record
              2. Temperature
              3. High 73°F 76°F 98°F
              4. Low 51°F 49°F 30°F
              Astronomy
              1. Sun Rise Set
              2. Actual Time 7:24 AM 6:24 PM
              3. Civil Twilight 6:57 AM 6:51 PM
              4. Nautical Twilight 6:26 AM 7:22PM
              5. Astronomical Twilight 5:55 AM 7:52 PM
              1. Length of Visible Light 11h 54m
              2. Length of Day 11h 0m
              3. Tomorrow will be 2 minutes 22 seconds shorter
              1. Moon 3:41 PM 1:30 AM
              2. Waxing Gibbous71% of the Moon is Illuminated
              Oct 25
              Full Moon
              Nov 1
              Waning Half Last Qtr
              Nov 8
              New Moon
              Nov 17
              Waxing Half First Qtr
              Nearby Weather Stations
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