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      Elev 1522 ft, 39.049 °N 121.080 °W

      Grass Valley, CA

      South Nevada County Station74°
      Updated: 7:41 PM PDT on September 24, 2026 (GMT -7)
      7 minutes ago
      91°
      58°
      74
      Feels Like 73
      Clear
      N
      3
      Lower temperature is expected tomorrow
      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
        Fri 09/25
        Low 61°f
         0% Precip. / 0 in
        A few clouds. Low 61F. Winds SE at 5 to 10 mph.
        Tomorrow
        Sat 09/26
        High 82°f
         0% Precip. / 0 in
        Sunny. High 82F. Winds SSW at 5 to 10 mph.
        Tomorrow night
        Sat 09/26
        Low 60°f
         0% Precip. / 0 in
        A mostly clear sky. Low near 60F. Winds light and variable.
        Hourly Forecast
        Now
        77°
        8PM
        75°
        9PM
        74°
        10PM
        73°
        11PM
        71°
        12AM
        69°
        1AM
        68°
        2AM
        68°
        3AM
        66°
        4AM
        65°
        5AM
        64°
        6AM
        63°
        6:55AM
        Sunrise
        7AM
        62°
        8AM
        65°
        9AM
        70°
        10AM
        73°
        11AM
        76°
        12PM
        77°
        1PM
        78°
        2PM
        80°
        3PM
        80°
        4PM
        81°
        5PM
        80°
        6PM
        79°
        6:56PM
        Sunset
        7PM
        74°
        Precipitation
        0%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        50
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.84 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point46°F
        5. Humidity 34%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KAUN Station History
        Almanac for September 25, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 91°F 84°F 99°F 2010
        4. Low 58°F 55°F 38°F 1906
        5. Rain/Snow Depth
        6. Precipitation 0 in 3 in -
        7. Snow 0 in 0 in -
        Almanac for September 26, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 83°F 99°F
        4. Low 58°F 55°F 33°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:54 AM 6:56 PM
        3. Civil Twilight 6:28 AM 7:22 PM
        4. Nautical Twilight 5:57 AM 7:53PM
        5. Astronomical Twilight 5:25 AM 8:25 PM
        1. Length of Visible Light 12h 54m
        2. Length of Day 12h 1m
        3. Tomorrow will be 2 minutes 31 seconds shorter
        1. Moon 6:23 PM 5:49 AM
        2. Waxing Gibbous99% 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
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