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    • Early AM

      Dec 17

      40° Lo
      Clear
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Moderate
      More
    • Today

      Dec 17

      65° /39°F
      Mild with sunshine
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Moderate
    • Mon

      Dec 18

      66° /41°
      Plenty of sunshine
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Moderate
      More
    • Tue

      Dec 19

      67° /46°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Wed

      Dec 20

      60° /39°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    65°Hi RealFeel® 65° Precipitation 0%
    Mild with sunshine
    • Winds from the
    • NW 6 mph
    • Gusts: 10 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    39°Lo RealFeel® 40° Precipitation 0%
    Mainly clear and chilly
    • Winds from the
    • SE 4 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    San Jose Pollen Levels Dec 17

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Moderate

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/17/2016
    High 65° 58° 72° (1958) 54°
    Low 39° 42° 26° (1965) 33°

    Sunrise/Sunset

    • Sunrise: 7:16 AM
    • Sunset: 4:52 PM
    • Duration: 9:36 hr

    Moonrise/Moonset

    • Moonrise: 6:34 AM
    • Moonset: 4:51 PM
    • Duration: 10:17 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps