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      Elev 3927 ft, 38.248 °N 120.359 °W

      Arnold, CA

      Updated: 8:23 AM PDT on September 27, 2026 (GMT -7)
      just now
      70°
      48°
      51
      Feels Like 51
      Sunny
      N
      4
      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 70°f
        0% Precip. / 0 in
        A mix of clouds and sun during the morning will give way to cloudy skies this afternoon. High near 70F. Winds S at 5 to 10 mph.
        Tonight
        Mon 09/28
        Low 46°f
        3% Precip. / 0 in
        Generally clear skies. Low 46F. Winds light and variable.
        Tomorrow
        Tue 09/29
        High 71°f51°f
        0% Precip. / 0 in
        Sunny skies. High 71F. Winds WNW at 5 to 10 mph.
        Hourly Forecast
        Now
        59°
        9AM
        64°
        10AM
        67°
        11AM
        68°
        12PM
        69°
        1PM
        70°
        2PM
        70°
        3PM
        69°
        4PM
        68°
        5PM
        67°
        6PM
        65°
        6:50PM
        Sunset
        7PM
        60°
        8PM
        57°
        9PM
        54°
        10PM
        52°
        11PM
        51°
        12AM
        50°
        1AM
        49°
        2AM
        49°
        3AM
        49°
        4AM
        48°
        5AM
        47°
        6AM
        47°
        6:54AM
        Sunrise
        7AM
        47°
        8AM
        49°
        Additional Conditions
        1. Pressure 29.85 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point35°F
        5. Humidity 41%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KCPU Station History
        Almanac for September 27, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 70°F 70°F 90°F 1963
        4. Low 48°F 48°F 28°F 1971
        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 71°F 70°F 94°F
        4. Low 48°F 48°F 29°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:53 AM 6:50 PM
        3. Civil Twilight 6:27 AM 7:16 PM
        4. Nautical Twilight 5:56 AM 7:47PM
        5. Astronomical Twilight 5:25 AM 8:18 PM
        1. Length of Visible Light 12h 49m
        2. Length of Day 11h 56m
        3. Tomorrow will be 2 minutes 28 seconds shorter
        1. Moon 7:11 PM 8:00 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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