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      Elev 427 ft, 37.760 °N 121.949 °W

      San Ramon, CA

      Southern San Ramon Station62°
      Updated: 9:29 PM PDT on September 19, 2026 (GMT -7)
      10 minutes ago
      85°
      56°
      62
      Feels Like 62
      Partly Cloudy
      N
      6
      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
        Sun 09/20
        Low 56°f
         24% Precip. / 0 in
        Partly cloudy early followed by cloudy skies overnight. Low 56F. Winds W at 5 to 10 mph.
        Tomorrow
        Mon 09/21
        High 72°f
         24% Precip. / 0 in
        Cloudy. High 72F. Winds W at 10 to 15 mph.
        Tomorrow night
        Mon 09/21
        Low 56°f
         24% Precip. / 0 in
        Cloudy. Low 56F. Winds W at 5 to 10 mph.
        Hourly Forecast
        Now
        62°
        10PM
        61°
        11PM
        59°
        12AM
        59°
        1AM
        58°
        2AM
        57°
        3AM
        57°
        4AM
        58°
        5AM
        58°
        6AM
        57°
        6:54AM
        Sunrise
        7AM
        57°
        8AM
        58°
        9AM
        59°
        10AM
        62°
        11AM
        64°
        12PM
        66°
        1PM
        68°
        2PM
        69°
        3PM
        71°
        4PM
        71°
        5PM
        69°
        6PM
        67°
        7PM
        63°
        7:07PM
        Sunset
        8PM
        61°
        9PM
        60°
        Precipitation
        24%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        37
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.96 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point53°F
        5. Humidity 73%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KLVK Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 79°F 98°F 2000
        4. Low 56°F 60°F 35°F 2007
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.1 in -
        7. Snow 0 in 0 in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 79°F 97°F
        4. Low 56°F 59°F 41°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:54 AM 7:07 PM
        3. Civil Twilight 6:27 AM 7:33 PM
        4. Nautical Twilight 5:57 AM 8:04PM
        5. Astronomical Twilight 5:25 AM 8:35 PM
        1. Length of Visible Light 13h 5m
        2. Length of Day 12h 13m
        3. Tomorrow will be 2 minutes 24 seconds shorter
        1. Moon 4:06 PM 12:38 AM
        2. Waxing Gibbous69% 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
        Precipitation
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