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      Heat Advisory
      until 10:00 PM PDT
      Elev 10 ft, 37.967 °N 122.528 °W

      San Rafael, CA

      San Rafael Station69°
      Updated: 3:33 AM PDT on September 10, 2026 (GMT -7)
      5 minutes ago
      91°
      61°
      69
      Feels Like 69
      Clear
      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
        Fri 09/11
        High 91°f
         1% Precip. / 0 in
        Sunshine and a few afternoon clouds. Hot. High 91F. Winds SW at 10 to 15 mph.
        Tonight
        Fri 09/11
        Low 56°f
         6% Precip. / 0 in
        Mainly clear. Low 56F. Winds WSW at 5 to 10 mph.
        Tomorrow
        Sat 09/12
        High 78°f56°f
         20% Precip. / 0 in
        Some clouds in the morning will give way to mainly sunny skies for the afternoon. High 78F. Winds SW at 10 to 15 mph.
        Hourly Forecast
        Now
        71°
        4AM
        71°
        5AM
        69°
        6AM
        68°
        6:48AM
        Sunrise
        7AM
        67°
        8AM
        68°
        9AM
        73°
        10AM
        77°
        11AM
        81°
        12PM
        84°
        1PM
        87°
        2PM
        89°
        3PM
        90°
        4PM
        89°
        5PM
        86°
        6PM
        82°
        7PM
        77°
        7:25PM
        Sunset
        8PM
        73°
        9PM
        70°
        10PM
        67°
        11PM
        65°
        12AM
        63°
        1AM
        62°
        2AM
        61°
        3AM
        60°
        Precipitation
        5%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        31
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.95 in
        2. Visibility 9 miles
        3. Clouds Clear
        4. Dew Point52°F
        5. Humidity 51%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KJMC Station History
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 91°F 83°F 101°F 2015
        4. Low 61°F 53°F 39°F 1928
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 78°F 83°F 100°F
        4. Low 61°F 53°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:47 AM 7:25 PM
        3. Civil Twilight 6:21 AM 7:52 PM
        4. Nautical Twilight 5:49 AM 8:23PM
        5. Astronomical Twilight 5:17 AM 8:55 PM
        1. Length of Visible Light 13h 30m
        2. Length of Day 12h 37m
        3. Tomorrow will be 2 minutes 25 seconds shorter
        1. Moon 6:16 AM 7:11 PM
        2. New0% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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