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      Elev 1237 ft, 34.293 °N 118.672 °W

      Simi Valley, CA

      Simi Valley Station88°
      Updated: 1:36 PM PDT on September 5, 2026 (GMT -7)
      40 seconds ago
      87°
      59°
      88
      Feels Like 86
      Sunny
      N
      7
      Higher 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
        Sun 09/06
        High 87°f
         0% Precip. / 0 in
        Sunny. High 87F. Winds S at 5 to 10 mph.
        Tonight
        Sun 09/06
        Low 68°f
         24% Precip. / 0 in
        Mostly clear skies this evening will become overcast overnight. Low 68F. Winds NNE at 5 to 10 mph.
        Tomorrow
        Mon 09/07
        High 78°f69°f
         50% Precip. / 0.21 in
        Overcast with rain showers at times. High 78F. Winds ESE at 5 to 10 mph. Chance of rain 50%. Locally heavy rainfall possible.
        Hourly Forecast
        Now
        86°
        2PM
        87°
        3PM
        87°
        4PM
        87°
        5PM
        85°
        6PM
        82°
        7PM
        78°
        7:14PM
        Sunset
        8PM
        74°
        9PM
        73°
        10PM
        73°
        11PM
        72°
        12AM
        73°
        1AM
        72°
        2AM
        72°
        3AM
        71°
        4AM
        71°
        5AM
        71°
        6AM
        36%
        71°
        6:31AM
        Sunrise
        7AM
        69°
        8AM
        30%
        70°
        9AM
        71°
        10AM
        72°
        11AM
        35%
        73°
        12PM
        38%
        74°
        1PM
        35%
        74°
        Precipitation
        38%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        39
        Good
        UV Index
        9
        Very High
        Additional Conditions
        1. Pressure 29.9 in
        2. Visibility 9 miles
        3. Clouds Clear
        4. Dew Point43°F
        5. Humidity 22%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KVNY Station History
        Almanac for September 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 95°F 114°F 1955
        4. Low 59°F 56°F 45°F 1954
        5. Rain/Snow Depth
        6. Precipitation 0 in 0 in -
        7. Snow 0 in 0 in -
        Almanac for September 6, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 78°F 95°F 115°F
        4. Low 59°F 56°F 45°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:30 AM 7:15 PM
        3. Civil Twilight 6:05 AM 7:40 PM
        4. Nautical Twilight 5:35 AM 8:10PM
        5. Astronomical Twilight 5:04 AM 8:41 PM
        1. Length of Visible Light 13h 34m
        2. Length of Day 12h 44m
        3. Tomorrow will be 2 minutes 5 seconds shorter
        1. Moon 12:12 AM 3:39 PM
        2. Waning Crescent38% 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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