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    • Today

      Sep 26

      72° /63°
      Sunny to partly cloudy
      • 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
      More
    • Tue

      Sep 27

      75° /54°F
      A little a.m. rain; clearing
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Wed

      Sep 28

      75° /61°
      Times of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      69° /63°
      Mostly cloudy, a little rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      70° /62°
      Variable clouds with showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    66°/59° RealFeel® 64°/60°
    Partly cloudy
    • 5 mph
    • Precipitation: 9%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 66%
    • Cloud Cover: 41%
    • Dew Point: 51° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 75° 72° 90° (1988) 69°
    Low 54° 58° 44° (1987) 56°

    Sunrise/Sunset

    • Sunrise: 6:49 AM
    • Sunset: 6:43 PM
    • Duration: 11:54 hr

    Moonrise/Moonset

    • Moonrise: 3:23 AM
    • Moonset: 5:09 PM
    • Duration: 13:46 hr
    Astronomy

    Mount Vernon Weather Report

    Rounds of rain to frequent northeastern US this week

    September 26, 2016; 4:29 AM ET

    Bouts of wet weather will frequent the northeastern United States during the last full week of September. More >

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps