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    • Tonight

      Apr 29

      68° Lo
      Partly cloudy and warm
      • 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: Moderate
      More
    • Sun

      Apr 30

      82° /67°F
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Mon

      May 1

      79° /57°
      An afternoon thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Tue

      May 2

      76° /50°
      Mostly sunny and breezy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Wed

      May 3

      72° /50°
      Mostly sunny and pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    82°Hi RealFeel® 83° Precipitation 25%
    Intervals of clouds and sunshine
    • ESE 6 mph
    • Gusts: 10 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 24%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    67°Lo RealFeel® 64° Precipitation 13%
    Partly cloudy and warm
    • SSE 6 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 3%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Fairfax Pollen Levels Apr 30

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

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 4/30/2016
    High 82° 71° 86° (2007) 56°
    Low 67° 46° 29° (1977) 51°

    Sunrise/Sunset

    • Sunrise: 6:13 AM
    • Sunset: 8:01 PM
    • Duration: 13:48 hr

    Moonrise/Moonset

    • Moonrise: 10:01 AM
    • Moonset: 12:44 AM
    • Duration: 14:43 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps