, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Tonight

      Feb 20

      42° Lo F
      Mainly clear and cooler
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
    • Tue

      Feb 21

      75° /42°
      Mostly sunny and very warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Wed

      Feb 22

      80° /49°
      Sunny and very warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Thu

      Feb 23

      87° /44°
      Sunny and remaining very warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Fri

      Feb 24

      65° /31°
      Sunny, breezy and cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    72°Hi RealFeel® 75° Precipitation 1%
    Periods of clouds and sun
    • SW 6 mph
    • Gusts: 12 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    42°Lo RealFeel® 40° Precipitation 2%
    Mainly clear and cooler
    • NNW 8 mph
    • Gusts: 14 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

    Frederick Pollen Levels Feb 20

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

      High

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 2/20/2016
    High 72° 58° N/A 85°
    Low 42° 31° N/A 49°

    Sunrise/Sunset

    • Sunrise: 7:16 AM
    • Sunset: 6:24 PM
    • Duration: 11:08 hr

    Moonrise/Moonset

    • Moonrise: 2:39 AM
    • Moonset: 1:14 PM
    • Duration: 10:35 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps