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      Elev 1581 ft, 34.486 °N 118.636 °W

      Castaic, CA

      Castaic Station56°
      Updated: 6:03 AM PDT on September 1, 2026 (GMT -7)
      3 minutes ago
      85°
      54°
      56
      Feels Like 54
      Clear
      N
      6
      Lower 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
        Wed 09/02
        High 85°f
        1% Precip. / 0 in
        Sunny. High near 85F. Winds SSW at 10 to 20 mph.
        Tonight
        Wed 09/02
        Low 57°f
        2% Precip. / 0 in
        Clear skies. Low 57F. Winds NNW at 5 to 10 mph.
        Tomorrow
        Thu 09/03
        High 84°f60°f
        1% Precip. / 0 in
        Sunny skies. High 84F. Winds SSW at 10 to 20 mph.
        Hourly Forecast
        Now
        56°
        6:28AM
        Sunrise
        7AM
        57°
        8AM
        62°
        9AM
        66°
        10AM
        72°
        11AM
        76°
        12PM
        80°
        1PM
        81°
        2PM
        83°
        3PM
        83°
        4PM
        82°
        5PM
        81°
        6PM
        77°
        7PM
        72°
        7:20PM
        Sunset
        8PM
        68°
        9PM
        66°
        10PM
        64°
        11PM
        63°
        12AM
        63°
        1AM
        62°
        2AM
        61°
        3AM
        60°
        4AM
        59°
        5AM
        59°
        6AM
        58°
        Precipitation
        3%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        56
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.96 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point44°F
        5. Humidity 64%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KWHP Station History
        Almanac for September 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 94°F 108°F 1947
        4. Low 54°F 54°F 41°F 1989
        5. Rain/Snow Depth
        6. Precipitation 0 in 0 in -
        7. Snow 0 in - in -
        Almanac for September 2, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 94°F 108°F
        4. Low 54°F 54°F 44°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:27 AM 7:20 PM
        3. Civil Twilight 6:02 AM 7:46 PM
        4. Nautical Twilight 5:31 AM 8:16PM
        5. Astronomical Twilight 5:00 AM 8:47 PM
        1. Length of Visible Light 13h 43m
        2. Length of Day 12h 52m
        3. Tomorrow will be 2 minutes 3 seconds shorter
        1. Moon 9:42 PM 11:08 AM
        2. Waning Gibbous73% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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