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      Elev 322 ft, 37.977 °N 122.560 °W

      San Anselmo, CA

      Downtown San Anselmo Station53°
      Updated: 4:30 AM PDT on August 30, 2026 (GMT -7)
      4 minutes ago
      77°
      52°
      53
      Feels Like 53
      Fair
      N
      3
      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 77°f
        3% Precip. / 0 in
        Abundant sunshine. High 77F. Winds SSE 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 71°f57°f
        8% Precip. / 0 in
        Partly cloudy. High 71F. Winds WSW at 10 to 20 mph.
        Hourly Forecast
        Now
        53°
        5AM
        52°
        6AM
        52°
        6:38AM
        Sunrise
        7AM
        52°
        8AM
        55°
        9AM
        58°
        10AM
        61°
        11AM
        65°
        12PM
        69°
        1PM
        71°
        2PM
        74°
        3PM
        76°
        4PM
        76°
        5PM
        74°
        6PM
        72°
        7PM
        68°
        7:42PM
        Sunset
        8PM
        64°
        9PM
        60°
        10PM
        58°
        11PM
        57°
        12AM
        57°
        1AM
        56°
        2AM
        56°
        3AM
        55°
        4AM
        56°
        Precipitation
        9%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        36
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.92 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point50°F
        5. Humidity 91%
        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 77°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 71°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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