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      Small Craft Advisory
      until 9:00 PM PDT
      Elev 116 ft, 37.921 °N 122.073 °W

      Walnut Creek, CA

      Larkey Park Station60°
      Updated: 12:50 AM PDT on September 16, 2026 (GMT -7)
      11 minutes ago
      66°
      60°
      60
      Feels Like 60
      Partly Cloudy
      N
      15
      Gusts 25 mph
      Lower 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
        Tonight
        Wed 09/16
        Low 57°f
         15% Precip. / 0 in
        Some clouds. Low 57F. Winds SSW at 10 to 15 mph.
        Tomorrow
        Thu 09/17
        High 72°f
         13% Precip. / 0 in
        A few clouds early, otherwise mostly sunny. High 72F. Winds SW at 10 to 20 mph.
        Tomorrow night
        Thu 09/17
        Low 59°f
         21% Precip. / 0 in
        Partly cloudy. Low 59F. Winds SW at 10 to 15 mph.
        Hourly Forecast
        Now
        58°
        1AM
        58°
        2AM
        59°
        3AM
        59°
        4AM
        60°
        5AM
        60°
        6AM
        59°
        6:51AM
        Sunrise
        7AM
        59°
        8AM
        60°
        9AM
        62°
        10AM
        64°
        11AM
        67°
        12PM
        68°
        1PM
        70°
        2PM
        71°
        3PM
        70°
        4PM
        70°
        5PM
        69°
        6PM
        67°
        7PM
        64°
        7:14PM
        Sunset
        8PM
        62°
        9PM
        61°
        10PM
        61°
        11PM
        61°
        12AM
        61°
        Precipitation
        15%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        51
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point54°F
        5. Humidity 86%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KCCR Station History
        Almanac for September 16, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 66°F 84°F 104°F 1971
        4. Low 60°F 50°F 43°F 2018
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 17, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 83°F 84°F 103°F
        4. Low 60°F 50°F 43°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:51 AM 7:14 PM
        3. Civil Twilight 6:24 AM 7:40 PM
        4. Nautical Twilight 5:53 AM 8:11PM
        5. Astronomical Twilight 5:22 AM 8:42 PM
        1. Length of Visible Light 13h 15m
        2. Length of Day 12h 23m
        3. Tomorrow will be 2 minutes 25 seconds shorter
        1. Moon 12:46 PM 10:05 PM
        2. Waxing Crescent31% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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