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      Beach Hazard Statement
      until 11:00 PM PDT
      Elev 184 ft, 37.762 °N 122.434 °W

      San Francisco, CA

      The Castro Station61°
      Updated: 11:09 PM PDT on September 3, 2026 (GMT -7)
      6 minutes ago
      70°
      58°
      61
      Feels Like 61
      Cloudy
      N
      7
      Lower 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
        Fri 09/04
        Low 55°f
         19% Precip. / 0 in
        Mostly cloudy skies. Low around 55F. Winds WNW at 5 to 10 mph.
        Tomorrow
        Sat 09/05
        High 66°f
         21% Precip. / 0 in
        Intervals of clouds and sunshine. Expect mist and reduced visibilities at times. High 66F. Winds W at 10 to 20 mph.
        Tomorrow night
        Sat 09/05
        Low 55°f
         22% Precip. / 0 in
        Partly cloudy skies. Low around 55F. Winds WNW at 10 to 15 mph.
        Hourly Forecast
        Now
        65°
        12AM
        64°
        1AM
        63°
        2AM
        62°
        3AM
        59°
        4AM
        59°
        5AM
        58°
        6AM
        58°
        6:42AM
        Sunrise
        7AM
        56°
        8AM
        57°
        9AM
        58°
        10AM
        59°
        11AM
        62°
        12PM
        64°
        1PM
        65°
        2PM
        66°
        3PM
        66°
        4PM
        65°
        5PM
        64°
        6PM
        63°
        7PM
        62°
        7:33PM
        Sunset
        8PM
        60°
        9PM
        60°
        10PM
        59°
        11PM
        59°
        Precipitation
        21%
        Pollen
        Grass Pollen
        Low
        Air Quality
        23
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.9 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point59°F
        5. Humidity 80%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KJMC Station History
        Almanac for September 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 70°F 93°F 2008
        4. Low 58°F 56°F 50°F 1999
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 70°F 96°F
        4. Low 58°F 56°F 50°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:42 AM 7:34 PM
        3. Civil Twilight 6:15 AM 8:00 PM
        4. Nautical Twilight 5:44 AM 8:32PM
        5. Astronomical Twilight 5:11 AM 9:04 PM
        1. Length of Visible Light 13h 45m
        2. Length of Day 12h 51m
        3. Tomorrow will be 2 minutes 20 seconds shorter
        1. Moon - 3:05 PM
        2. Last Quarter50% 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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