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      Elev 2799 ft, 34.505 °N 117.274 °W

      Spring Valley Lake, CA

      Greentree East Station87°
      Updated: 9:14 PM PDT on September 9, 2026 (GMT -7)
      10 minutes ago
      103°
      67°
      87
      Feels Like 87
      Clear
      N
      6
      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
        Thu 09/10
        Low 74°f
         1% Precip. / 0 in
        A few passing clouds. Low 74F. Winds SSW at 5 to 10 mph.
        Tomorrow
        Fri 09/11
        High 100°f
         8% Precip. / 0 in
        Sunshine. High around 100F. Winds SW at 10 to 20 mph.
        Tomorrow night
        Fri 09/11
        Low 72°f
         0% Precip. / 0 in
        Clear skies. Low 72F. Winds SSW at 10 to 20 mph.
        Hourly Forecast
        Now
        86°
        10PM
        85°
        11PM
        83°
        12AM
        81°
        1AM
        79°
        2AM
        78°
        3AM
        77°
        4AM
        76°
        5AM
        75°
        6AM
        75°
        6:29AM
        Sunrise
        7AM
        74°
        8AM
        80°
        9AM
        84°
        10AM
        89°
        11AM
        92°
        12PM
        94°
        1PM
        96°
        2PM
        97°
        3PM
        98°
        4PM
        97°
        5PM
        95°
        6PM
        93°
        7PM
        89°
        7:02PM
        Sunset
        8PM
        86°
        9PM
        84°
        Precipitation
        6%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        44
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.92 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point58°F
        5. Humidity 38%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KAPV Station History
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 103°F 93°F 105°F 1993
        4. Low 67°F 59°F 40°F 1918
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 100°F 93°F 106°F
        4. Low 67°F 59°F 43°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:28 AM 7:02 PM
        3. Civil Twilight 6:03 AM 7:27 PM
        4. Nautical Twilight 5:33 AM 7:57PM
        5. Astronomical Twilight 5:03 AM 8:28 PM
        1. Length of Visible Light 13h 24m
        2. Length of Day 12h 33m
        3. Tomorrow will be 2 minutes 6 seconds shorter
        1. Moon 5:57 AM 6:49 PM
        2. New0% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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