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    • Today

      Sep 29

      64° /46°F
      Windy with periods of sun
      • 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

      Sep 30

      60° /49°
      Cloudy with a shower or two
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      59° /52°
      Cloudy with a little rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      60° /51°
      Occasional rain and drizzle
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      64° /53°
      A passing shower or two
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Thursday
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    1pm
    Forecast Cloudy Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
    Temp (°F) 50° 49° 50° 52° 54° 57° 59° 61°
    RealFeel® 46° 43° 42° 45° 49° 53° 56° 59°
    Wind (mph) 7 NNE 10 NNE 14 NNE 14 NE 14 NE 16 NE 17 NE 18 NE
    precip
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    1pm
    Rain
    7%
    5%
    1%
    1%
    1%
    1%
    1%
    1%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    1pm
    UV Index 0 0 0 1 2 3 3 4
    Cloud Cover 94% 90% 70% 70% 70% 70% 70% 70%
    Humidity 82% 82% 80% 73% 65% 59% 55% 50%
    Dew Point 44° 44° 44° 44° 43° 43° 44° 43°
    Temp °F
    6am
    7am
    8am
    9am
    10am
    11am
    12pm
    1pm
    65° 60° 55° 50° 45°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 64° 67° N/A 80°
    Low 46° 47° N/A 64°

    Sunrise/Sunset

    • Sunrise: 6:41 AM
    • Sunset: 6:29 PM
    • Duration: 11:48 hr

    Moonrise/Moonset

    • Moonrise: 5:11 AM
    • Moonset: 6:03 PM
    • Duration: 12:52 hr
    Astronomy

    Derry Weather Report

    Persistent rain to raise flood risk in part of northeastern US late this week

    September 29, 2016; 4:55 AM ET

    Rain will spread over much of the northeastern U.S. into the weekend, but persistent downpours will raise the flood risk in part of the mid-Atlantic. More >

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps