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      Elev 42 ft, 37.971 °N 122.563 °W

      San Anselmo, CA

      San Anselmo Station50°
      Updated: 5:44 AM PDT on August 30, 2026 (GMT -7)
      8 minutes ago
      76°
      52°
      50
      Feels Like 50
      Partly Cloudy
      N
      2
      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
        Mon 08/31
        High 76°f
        3% Precip. / 0 in
        Partly cloudy skies. High 76F. Winds S at 5 to 10 mph.
        Tonight
        Mon 08/31
        Low 54°f
        8% Precip. / 0 in
        A few passing clouds. Low 54F. Winds SW at 5 to 10 mph.
        Tomorrow
        Tue 09/01
        High 70°f57°f
        8% Precip. / 0 in
        Partly cloudy. High around 70F. Winds WSW at 10 to 15 mph.
        Hourly Forecast
        Now
        51°
        6AM
        51°
        6:38AM
        Sunrise
        7AM
        51°
        8AM
        54°
        9AM
        58°
        10AM
        62°
        11AM
        65°
        12PM
        68°
        1PM
        70°
        2PM
        72°
        3PM
        74°
        4PM
        74°
        5PM
        72°
        6PM
        71°
        7PM
        67°
        7:42PM
        Sunset
        8PM
        64°
        9PM
        60°
        10PM
        58°
        11PM
        58°
        12AM
        57°
        1AM
        57°
        2AM
        56°
        3AM
        56°
        4AM
        56°
        5AM
        55°
        Precipitation
        8%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        38
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.92 in
        2. Visibility 8 miles
        3. Clouds Partly Cloudy
        4. Dew Point51°F
        5. Humidity 100%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KJMC Station History
        Almanac for August 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 76°F 83°F 100°F 1968
        4. Low 52°F 53°F 41°F 1955
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.7 in -
        7. Snow 0 in 0 in -
        Almanac for August 31, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 83°F 99°F
        4. Low 52°F 53°F 40°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:38 AM 7:42 PM
        3. Civil Twilight 6:11 AM 8:09 PM
        4. Nautical Twilight 5:39 AM 8:41PM
        5. Astronomical Twilight 5:05 AM 9:14 PM
        1. Length of Visible Light 13h 57m
        2. Length of Day 13h 3m
        3. Tomorrow will be 2 minutes 20 seconds shorter
        1. Moon 8:51 PM 9:15 AM
        2. Waning Gibbous90% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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