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      Elev 2611 ft, 39.223 °N 121.073 °W

      Grass Valley, CA

      NID Business Center Station82°
      Updated: 12:34 PM PDT on August 29, 2026 (GMT -7)
      4 minutes ago
      84°
      61°
      82
      Feels Like 80
      Sunny
      N
      7
      Higher temperature is expected today
      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
        Sun 08/30
        High 84°f
        0% Precip. / 0 in
        Sunny. High 84F. Winds SSW at 5 to 10 mph.
        Tonight
        Sun 08/30
        Low 63°f
        0% Precip. / 0 in
        A clear sky. Low 63F. Winds light and variable.
        Tomorrow
        Mon 08/31
        High 85°f64°f
        0% Precip. / 0 in
        A mainly sunny sky. High around 85F. Winds light and variable.
        Hourly Forecast
        Now
        82°
        1PM
        83°
        2PM
        83°
        3PM
        84°
        4PM
        83°
        5PM
        82°
        6PM
        80°
        7PM
        77°
        7:39PM
        Sunset
        8PM
        74°
        9PM
        70°
        10PM
        69°
        11PM
        68°
        12AM
        67°
        1AM
        67°
        2AM
        67°
        3AM
        66°
        4AM
        65°
        5AM
        65°
        6AM
        64°
        6:31AM
        Sunrise
        7AM
        64°
        8AM
        68°
        9AM
        72°
        10AM
        75°
        11AM
        78°
        12PM
        80°
        Precipitation
        0%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        51
        Moderate
        UV Index
        8
        Very High
        Additional Conditions
        1. Pressure 29.91 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point35°F
        5. Humidity 19%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KGOO Station History
        Almanac for August 29, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 84°F 86°F 100°F 2017
        4. Low 61°F 55°F 44°F 1980
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.7 in -
        7. Snow 0 in 0 in -
        Almanac for August 30, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 86°F 99°F
        4. Low 61°F 55°F 41°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:30 AM 7:39 PM
        3. Civil Twilight 6:02 AM 8:06 PM
        4. Nautical Twilight 5:29 AM 8:39PM
        5. Astronomical Twilight 4:55 AM 9:13 PM
        1. Length of Visible Light 14h 4m
        2. Length of Day 13h 8m
        3. Tomorrow will be 2 minutes 25 seconds shorter
        1. Moon 8:20 PM 8:03 AM
        2. Waning Gibbous95% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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