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      Elev 39 ft, 37.565 °N 122.330 °W

      San Mateo, CA

      Central San Mateo Station50°
      Updated: 6:17 AM PDT on September 26, 2026 (GMT -7)
      35 seconds ago
      67°
      53°
      50
      Feels Like 50
      Partly Cloudy
      N
      3
      Lower temperature is expected today
      Wundermap
      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
        Sun 09/27
        High 67°f
         10% Precip. / 0 in
        Sunshine and clouds mixed. High 67F. Winds W at 10 to 15 mph.
        Tonight
        Sun 09/27
        Low 55°f
         15% Precip. / 0 in
        Partly cloudy this evening, then becoming cloudy after midnight. Low around 55F. Winds W at 10 to 15 mph.
        Tomorrow
        Mon 09/28
        High 65°f54°f
         19% Precip. / 0 in
        Cloudy skies early will become partly cloudy later in the day. High near 65F. Winds W at 10 to 20 mph.
        Hourly Forecast
        Now
        54°
        7AM
        54°
        7:00AM
        Sunrise
        8AM
        56°
        9AM
        58°
        10AM
        62°
        11AM
        63°
        12PM
        65°
        1PM
        67°
        2PM
        65°
        3PM
        66°
        4PM
        65°
        5PM
        64°
        6PM
        62°
        6:59PM
        Sunset
        7PM
        60°
        8PM
        58°
        9PM
        57°
        10PM
        57°
        11PM
        56°
        12AM
        56°
        1AM
        56°
        2AM
        56°
        3AM
        56°
        4AM
        56°
        5AM
        56°
        6AM
        56°
        Precipitation
        16%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        31
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.95 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point52°F
        5. Humidity 91%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSFO Station History
        Almanac for September 26, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 67°F 78°F 99°F 1963
        4. Low 53°F 53°F 38°F 1980
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 27, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 65°F 78°F 97°F
        4. Low 53°F 53°F 43°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:00 AM 6:59 PM
        3. Civil Twilight 6:34 AM 7:25 PM
        4. Nautical Twilight 6:04 AM 7:56PM
        5. Astronomical Twilight 5:33 AM 8:26 PM
        1. Length of Visible Light 12h 51m
        2. Length of Day 11h 59m
        3. Tomorrow will be 2 minutes 24 seconds shorter
        1. Moon 6:53 PM 7:00 AM
        2. Full99% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
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