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      Small Craft Advisory
      until 3:00 AM PDT
      Elev 577 ft, 37.833 °N 122.124 °W

      Moraga, CA

      Rheem Valley Station56°
      Updated: 6:19 AM PDT on September 27, 2026 (GMT -7)
      6 minutes ago
      66°
      53°
      56
      Feels Like 56
      Mostly Cloudy
      N
      10
      Gusts 16 mph
      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
        Mon 09/28
        High 66°f
         15% Precip. / 0 in
        Cloudy skies this morning will become partly cloudy this afternoon. High 66F. Winds SW at 10 to 20 mph.
        Tonight
        Mon 09/28
        Low 52°f
         21% Precip. / 0 in
        Partly cloudy this evening with more clouds for overnight. Low 52F. Winds SW at 10 to 15 mph.
        Tomorrow
        Tue 09/29
        High 72°f50°f
         19% Precip. / 0 in
        Partly cloudy skies. High 72F. Winds WSW at 10 to 15 mph.
        Hourly Forecast
        Now
        56°
        7AM
        56°
        7:00AM
        Sunrise
        8AM
        57°
        9AM
        57°
        10AM
        58°
        11AM
        60°
        12PM
        62°
        1PM
        65°
        2PM
        64°
        3PM
        65°
        4PM
        64°
        5PM
        62°
        6PM
        60°
        6:57PM
        Sunset
        7PM
        58°
        8PM
        56°
        9PM
        55°
        10PM
        54°
        11PM
        54°
        12AM
        54°
        1AM
        54°
        2AM
        54°
        3AM
        54°
        4AM
        54°
        5AM
        54°
        6AM
        53°
        Precipitation
        22%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        23
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 5 miles
        3. Clouds Mostly Cloudy
        4. Dew Point52°F
        5. Humidity 86%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KOAK Station History
        Almanac for September 27, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 74°F 95°F 1973
        4. Low 53°F 57°F 52°F 1986
        5. Rain/Snow Depth
        6. Precipitation 0 in 2.9 in -
        7. Snow 0 in 0 in -
        Almanac for September 28, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 72°F 74°F 97°F
        4. Low 53°F 57°F 48°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:00 AM 6:57 PM
        3. Civil Twilight 6:34 AM 7:23 PM
        4. Nautical Twilight 6:04 AM 7:54PM
        5. Astronomical Twilight 5:33 AM 8:24 PM
        1. Length of Visible Light 12h 48m
        2. Length of Day 11h 56m
        3. Tomorrow will be 2 minutes 25 seconds shorter
        1. Moon 7:19 PM 8:07 AM
        2. Waning Gibbous97% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
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