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    • Today

      Aug 21

      85° /67°
      Rain and a thunderstorm
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Tue

      Aug 22

      77° /51°F
      Clouds giving way to some sun
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Wed

      Aug 23

      77° /55°
      Sunny and delightful
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Aug 24

      73° /55°
      Partly sunny and delightful
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Aug 25

      72° /54°
      Partly sunny and comfortable
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    77°Hi RealFeel® 81° Precipitation 16%
    Humid; cloudy in the morning, then intervals of clouds and sunshine in the afternoon
    • Winds from the
    • NNW 12 mph
    • Gusts: 17 mph
    • Max UV Index: 10 (Extreme)
    • Thunderstorms: 13%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    51°Lo RealFeel® 50° Precipitation 1%
    Clear and cooler
    • Winds from the
    • NW 6 mph
    • Gusts: 12 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

    Mount Vernon Pollen Levels Aug 22

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/22/2016
    High 77° 81° 100° (1936) 79°
    Low 51° 60° 47° (1891) 52°

    Sunrise/Sunset

    • Sunrise: 6:21 AM
    • Sunset: 7:56 PM
    • Duration: 13:35 hr

    Moonrise/Moonset

    • Moonrise: 7:14 AM
    • Moonset: 8:39 PM
    • Duration: 13:25 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps