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    • Today

      Sep 30

      60° /49°F
      Cloudy and breezy
      • 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
    • Sat

      Oct 1

      54° /50°
      Breezy with periods of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      61° /53°
      Warmer with spotty showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      67° /54°
      Cloudy with a few showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Oct 4

      60° /46°
      Rather cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    60°/53° RealFeel® 55°/48°
    Cloudy
    • 14 mph
    • Precipitation: 25%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 69%
    • Cloud Cover: 99%
    • Dew Point: 47° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 60° 67° N/A 76°
    Low 49° 46° N/A 53°

    Sunrise/Sunset

    • Sunrise: 6:42 AM
    • Sunset: 6:27 PM
    • Duration: 11:45 hr

    Moonrise/Moonset

    • Moonrise: 6:10 AM
    • Moonset: 6:31 PM
    • Duration: 12:21 hr
    Astronomy

    Derry Weather Report

    Persistent rain to raise flood risk in part of northeastern US

    September 30, 2016; 4:16 AM ET

    Persistent downpours will raise the flood risk in part of the mid-Atlantic into Friday night, while rain will spread over the balance of the northeastern United States into the weekend. More >

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps