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      Heat Advisory
      until 10:00 PM PDT
      Elev 46 ft, 38.503 °N 123.001 °W

      Guerneville, CA

      Guerneville Station60°
      Updated: 12:15 AM PDT on October 3, 2026 (GMT -7)
      2 minutes ago
      89°
      48°
      60
      Feels Like 60
      Clear
      N
      1
      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 57°f
         1% Precip. / 0 in
        A few passing clouds, otherwise generally clear. Low 57F. Winds light and variable.
        Tomorrow
        Sun 10/04
        High 95°f
         0% Precip. / 0 in
        Some clouds in the morning will give way to mainly sunny skies for the afternoon. Hot. High around 95F. Winds SSE at 5 to 10 mph.
        Tomorrow night
        Sun 10/04
        Low 64°f
         0% Precip. / 0 in
        A few clouds overnight. Low 64F. Winds light and variable.
        Hourly Forecast
        Now
        60°
        1AM
        60°
        2AM
        59°
        3AM
        58°
        4AM
        59°
        5AM
        58°
        6AM
        58°
        7AM
        58°
        7:09AM
        Sunrise
        8AM
        60°
        9AM
        67°
        10AM
        75°
        11AM
        82°
        12PM
        86°
        1PM
        90°
        2PM
        92°
        3PM
        93°
        4PM
        93°
        5PM
        92°
        6PM
        88°
        6:51PM
        Sunset
        7PM
        82°
        8PM
        79°
        9PM
        76°
        10PM
        74°
        11PM
        71°
        12AM
        69°
        Precipitation
        1%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        28
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.87 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
         KSTS Station History
        Almanac for October 3, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 95°F 81°F 106°F 2012
        4. Low 57°F 46°F 36°F 2006
        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 93°F 81°F 105°F
        4. Low 64°F 46°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:09 AM 6:51 PM
        3. Civil Twilight 6:43 AM 7:17 PM
        4. Nautical Twilight 6:12 AM 7:48PM
        5. Astronomical Twilight 5:41 AM 8:19 PM
        1. Length of Visible Light 12h 34m
        2. Length of Day 11h 41m
        3. Tomorrow will be 2 minutes 28 seconds shorter
        1. Moon - 3:01 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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