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      Elev 510 ft, 32.751 °N 116.996 °W

      Casa de Oro-Mount Helix, CA

      Spring Valley Station78°
      Updated: 12:03 PM PDT on September 14, 2026 (GMT -7)
      10 minutes ago
      80°
      64°
      78
      Feels Like 79
      Sunny
      N
      9
      Similar temperature is expected today
      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
        Tue 09/15
        High 80°f
         1% Precip. / 0 in
        A good deal of sunshine. High near 80F. Winds SW at 10 to 15 mph.
        Tonight
        Tue 09/15
        Low 63°f
         20% Precip. / 0 in
        Partly cloudy early followed by cloudy skies overnight. Low 63F. Winds SSW at 5 to 10 mph.
        Tomorrow
        Wed 09/16
        High 78°f63°f
         19% Precip. / 0 in
        Sun and a few passing clouds. High 78F. Winds SW at 10 to 15 mph.
        Hourly Forecast
        Now
        79°
        1PM
        80°
        2PM
        79°
        3PM
        80°
        4PM
        78°
        5PM
        76°
        6PM
        75°
        6:55PM
        Sunset
        7PM
        72°
        8PM
        69°
        9PM
        68°
        10PM
        67°
        11PM
        67°
        12AM
        66°
        1AM
        65°
        2AM
        65°
        3AM
        65°
        4AM
        64°
        5AM
        64°
        6AM
        64°
        6:32AM
        Sunrise
        7AM
        64°
        8AM
        65°
        9AM
        67°
        10AM
        71°
        11AM
        75°
        12PM
        76°
        Precipitation
        20%
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        61
        Moderate
        UV Index
        9
        Very High
        Additional Conditions
        1. Pressure 29.84 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point62°F
        5. Humidity 56%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KSEE Station History
        Almanac for September 14, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 86°F 99°F 1979
        4. Low 64°F 63°F 48°F 1941
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.01 in -
        7. Snow 0 in 0 in -
        Almanac for September 15, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 78°F 86°F 105°F
        4. Low 64°F 63°F 49°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:31 AM 6:55 PM
        3. Civil Twilight 6:06 AM 7:19 PM
        4. Nautical Twilight 5:37 AM 7:48PM
        5. Astronomical Twilight 5:08 AM 8:18 PM
        1. Length of Visible Light 13h 13m
        2. Length of Day 12h 24m
        3. Tomorrow will be 1 minute 59 seconds shorter
        1. Moon 10:07 AM 8:45 PM
        2. Waxing Crescent13% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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