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      Small Craft Advisory
      until 9:00 PM PDT
      Elev 49 ft, 37.977 °N 122.488 °W

      San Rafael, CA

      Loch Lomond Station71°
      Updated: 5:13 PM PDT on September 15, 2026 (GMT -7)
      just now
      73°
      53°
      71
      Feels Like 70
      Sunny
      N
      13
      Gusts 20 mph
      Similar temperature is expected tomorrow
      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
        Tonight
        Wed 09/16
        Low 55°f
         20% Precip. / 0 in
        Clear to partly cloudy. Low around 55F. Winds SSW at 10 to 15 mph.
        Tomorrow
        Thu 09/17
        High 72°f
         20% Precip. / 0 in
        A few clouds early, otherwise mostly sunny. High 72F. Winds SW at 10 to 15 mph.
        Tomorrow night
        Thu 09/17
        Low 57°f
         24% Precip. / 0 in
        Mainly cloudy. Low 57F. Winds SW at 10 to 15 mph.
        Hourly Forecast
        Now
        67°
        6PM
        66°
        7PM
        63°
        7:17PM
        Sunset
        8PM
        59°
        9PM
        60°
        10PM
        59°
        11PM
        58°
        12AM
        57°
        1AM
        57°
        2AM
        57°
        3AM
        57°
        4AM
        57°
        5AM
        56°
        6AM
        56°
        6:52AM
        Sunrise
        7AM
        56°
        8AM
        57°
        9AM
        59°
        10AM
        62°
        11AM
        64°
        12PM
        67°
        1PM
        69°
        2PM
        70°
        3PM
        71°
        4PM
        70°
        5PM
        68°
        Precipitation
        20%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        44
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.85 in
        2. Visibility 9 miles
        3. Clouds Clear
        4. Dew Point55°F
        5. Humidity 66%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KJMC Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 73°F 81°F 100°F 1971
        4. Low 53°F 54°F 39°F 1894
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 81°F 99°F
        4. Low 53°F 54°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:52 AM 7:16 PM
        3. Civil Twilight 6:26 AM 7:42 PM
        4. Nautical Twilight 5:55 AM 8:13PM
        5. Astronomical Twilight 5:23 AM 8:44 PM
        1. Length of Visible Light 13h 15m
        2. Length of Day 12h 23m
        3. Tomorrow will be 2 minutes 26 seconds shorter
        1. Moon 12:48 PM 10:06 PM
        2. Waxing Crescent31% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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