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    • Today

      Aug 19

      85° /64°F
      Warmer with clearing
      • 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
    • Sun

      Aug 20

      83° /61°
      Mostly sunny and less humid
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Aug 21

      88° /65°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Aug 22

      90° /72°
      Mostly sunny and hot
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Aug 23

      79° /56°
      Not as warm; a morning shower
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    85°Hi RealFeel® 93° Precipitation 35%
    Warmer; overcast this morning, then intervals of clouds and sunshine this afternoon
    • Winds from the
    • W 5 mph
    • Gusts: 12 mph
    • Max UV Index: 9 (Very High)
    • Thunderstorms: 20%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    64°Lo RealFeel® 64° Precipitation 11%
    Partly cloudy
    • Winds from the
    • WSW 5 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Derry Pollen Levels Aug 19

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/19/2016
    High 85° 81° N/A 89°
    Low 64° 61° N/A 68°

    Sunrise/Sunset

    • Sunrise: 5:55 AM
    • Sunset: 7:42 PM
    • Duration: 13:47 hr

    Moonrise/Moonset

    • Moonrise: 3:22 AM
    • Moonset: 6:17 PM
    • Duration: 14:55 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps