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    • Today

      Feb 22

      54° /33°F
      Periods of sun with a shower
      • 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
    • Fri

      Feb 23

      56° /36°
      Partly sunny and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Feb 24

      57° /38°
      Partly sunny and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Feb 25

      60° /43°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Feb 26

      51° /36°
      Partly sunny and cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    54°Hi RealFeel® 52° Precipitation 40%
    Intervals of clouds and sun with a stray shower; cool
    • Winds from the
    • NW 13 mph
    • Gusts: 20 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 20%
    • Precipitation: 0.02 in
    • Rain: 0.02 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    33°Lo RealFeel® 32° Precipitation 54%
    A stray evening shower; otherwise, partly cloudy and chilly
    • Winds from the
    • NNW 8 mph
    • Gusts: 17 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.05 in
    • Rain: 0.05 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Palo Alto Pollen Levels Feb 22

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 2/22/2017
    High 54° 63° N/A 59°
    Low 33° 41° N/A 41°

    Sunrise/Sunset

    • Sunrise: 6:49 AM
    • Sunset: 5:55 PM
    • Duration: 11:06 hr

    Moonrise/Moonset

    • Moonrise: 10:57 AM
    • Moonset: 1:03 AM
    • Duration: 14:06 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps