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    • Today

      Sep 30

      72° /50°F
      Some clouds, then sunny
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sat

      Oct 1

      74° /52°
      Clouds, then sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      66° /48°
      A stray afternoon shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      67° /50°
      Partly sunny and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Oct 4

      72° /48°
      Cool with clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Friday
    2pm
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    8pm
    9pm
    Forecast Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Clear Mostly Clear Mostly Clear
    Temp (°F) 71° 72° 71° 69° 66° 63° 66° 63°
    RealFeel® 72° 72° 69° 66° 63° 60° 63° 62°
    Wind (mph) 15 WSW 15 WSW 15 WSW 16 WSW 14 WSW 9 WSW 7 WSW 6 WSW
    precip
    2pm
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    9pm
    Rain
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    2pm
    3pm
    4pm
    5pm
    6pm
    7pm
    8pm
    9pm
    UV Index 5 4 3 1 0 0 0 0
    Cloud Cover 0% 11% 11% 11% 11% 16% 25% 25%
    Humidity 34% 31% 30% 32% 38% 47% 49% 56%
    Dew Point 41° 40° 38° 38° 40° 43° 46° 47°
    Temp °F
    2pm
    3pm
    4pm
    5pm
    6pm
    7pm
    8pm
    9pm
    75° 70° 65° 60°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 72° 81° N/A 67°
    Low 50° 54° N/A 59°

    Sunrise/Sunset

    • Sunrise: 7:03 AM
    • Sunset: 6:51 PM
    • Duration: 11:48 hr

    Moonrise/Moonset

    • Moonrise: 6:41 AM
    • Moonset: 6:59 PM
    • Duration: 12:18 hr
    Astronomy

    Clayton Weather Report

    Cooler air, showers to aid in wildfire efforts across California this weekend

    September 30, 2016; 11:54 AM ET

    Improving weather over the next several days will aid officials in battling wildfires across California. More >

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps