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    • Tonight

      Sep 30

      53° Lo
      Increasing cloudiness
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      72° /53°F
      Low clouds, then sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Sun

      Oct 2

      66° /53°
      Rather cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      68° /54°
      Cool with some sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Oct 4

      71° /53°
      Partly sunny and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Saturday
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    Forecast Mostly Clear Mostly Clear Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Temp (°F) 57° 57° 56° 55° 54° 54° 53° 54°
    RealFeel® 55° 56° 56° 55° 55° 54° 53° 54°
    Wind (mph) 6 NNW 5 NNW 4 NNW 4 NNW 4 NNW 4 NNW 4 NW 4 WNW
    precip
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    Rain
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    Snow
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    Ice
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    SKY
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    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 25% 25% 95% 95% 95% 95% 95% 97%
    Humidity 72% 71% 74% 77% 79% 79% 84% 80%
    Dew Point 49° 48° 48° 48° 48° 48° 48° 48°
    Temp °F
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    60° 55° 50°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/1/2015
    High 72° 78° 97° (1980) 77°
    Low 53° 55° 43° (1971) 60°

    Sunrise/Sunset

    • Sunrise: 7:04 AM
    • Sunset: 6:49 PM
    • Duration: 11:45 hr

    Moonrise/Moonset

    • Moonrise: 7:37 AM
    • Moonset: 7:30 PM
    • Duration: 11:53 hr
    Astronomy

    San Jose Weather Report

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

    September 30, 2016; 5:54 PM ET

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

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps