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      Elev 20 ft, 38.291 °N 122.285 °W

      Napa, CA

      Updated: 2:12 PM PDT on September 23, 2026 (GMT -7)
      8 minutes ago
      89°
      57°
      89
      Feels Like 90
      Sunny
      N
      7
      Higher 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
        Thu 09/24
        High 89°f
        0% Precip. / 0 in
        Sunny. High 89F. Winds SSW at 5 to 10 mph.
        Tonight
        Thu 09/24
        Low 55°f
        5% Precip. / 0 in
        Clear to partly cloudy. Low around 55F. Winds light and variable.
        Tomorrow
        Fri 09/25
        High 88°f55°f
        18% Precip. / 0 in
        Partly cloudy skies. High 88F. Winds SW at 10 to 15 mph.
        Hourly Forecast
        Now
        87°
        3PM
        88°
        4PM
        89°
        5PM
        88°
        6PM
        84°
        7PM
        78°
        7:04PM
        Sunset
        8PM
        72°
        9PM
        69°
        10PM
        67°
        11PM
        65°
        12AM
        63°
        1AM
        61°
        2AM
        60°
        3AM
        59°
        4AM
        58°
        5AM
        57°
        6AM
        56°
        6:58AM
        Sunrise
        7AM
        56°
        8AM
        61°
        9AM
        67°
        10AM
        74°
        11AM
        79°
        12PM
        82°
        1PM
        84°
        2PM
        85°
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point57°F
        5. Humidity 36%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KAPC Station History
        Almanac for September 23, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 84°F 106°F 1939
        4. Low 57°F 53°F 39°F 1932
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 24, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 84°F 104°F
        4. Low 57°F 53°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:57 AM 7:04 PM
        3. Civil Twilight 6:31 AM 7:30 PM
        4. Nautical Twilight 6:00 AM 8:01PM
        5. Astronomical Twilight 5:29 AM 8:32 PM
        1. Length of Visible Light 12h 58m
        2. Length of Day 12h 6m
        3. Tomorrow will be 2 minutes 28 seconds shorter
        1. Moon 5:40 PM 3:45 AM
        2. Waxing Gibbous92% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Nearby Weather Stations
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