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      Elev 1325 ft, 38.328 °N 122.308 °W

      Napa, CA

      Updated: 1:11 AM PDT on October 3, 2026 (GMT -7)
      10 minutes ago
      63°
      56°
      60
      Feels Like 60
      Clear
      N
      0
      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
        Tonight
        Sat 10/03
        Low 58°f
        1% Precip. / 0 in
        Partly cloudy. Low 58F. Winds light and variable.
        Tomorrow
        Sun 10/04
        High 99°f
        1% Precip. / 0 in
        Sunny skies. Hot. High 99F. Winds light and variable.
        Tomorrow night
        Sun 10/04
        Low 66°f
        0% Precip. / 0 in
        Mostly clear. Low 66F. Winds light and variable.
        Hourly Forecast
        Now
        60°
        2AM
        60°
        3AM
        59°
        4AM
        59°
        5AM
        61°
        6AM
        61°
        7AM
        62°
        7:06AM
        Sunrise
        8AM
        65°
        9AM
        72°
        10AM
        79°
        11AM
        85°
        12PM
        90°
        1PM
        93°
        2PM
        96°
        3PM
        97°
        4PM
        97°
        5PM
        97°
        6PM
        93°
        6:48PM
        Sunset
        7PM
        85°
        8PM
        80°
        9PM
        77°
        10PM
        75°
        11PM
        73°
        12AM
        72°
        1AM
        70°
        Additional Conditions
        1. Pressure 29.86 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point53°F
        5. Humidity 79%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KAPC Station History
        Almanac for October 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 91°F 82°F 102°F 2024
        4. Low 52°F 51°F 39°F 1954
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for October 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 99°F 82°F 100°F
        4. Low 58°F 51°F 39°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:07 AM 6:48 PM
        3. Civil Twilight 6:40 AM 7:15 PM
        4. Nautical Twilight 6:09 AM 7:45PM
        5. Astronomical Twilight 5:39 AM 8:16 PM
        1. Length of Visible Light 12h 34m
        2. Length of Day 11h 41m
        3. Tomorrow will be 2 minutes 27 seconds shorter
        1. Moon - 2:57 PM
        2. Last Quarter53% 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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