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    • Today

      Apr 26

      65° /45°F
      Clearing, breezy and cooler
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
    • Thu

      Apr 27

      84° /57°
      Mostly cloudy; breezy, warmer
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
      More
    • Fri

      Apr 28

      82° /59°
      Periods of clouds and sun
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
      More
    • Sat

      Apr 29

      64° /41°
      Cooler with clouds and sun
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: High
      More
    • Sun

      Apr 30

      61° /41°
      Mostly cloudy and windy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    65°Hi RealFeel® 62° Precipitation 35%
    Breezy and cooler with clouds giving way to some sun
    • NNW 20 mph
    • Gusts: 46 mph
    • Max UV Index: 7 (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

    45°Lo RealFeel® 41° Precipitation 1%
    Patchy clouds
    • SSE 7 mph
    • Gusts: 15 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

    Frederick Pollen Levels Apr 26

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

      High

    • Ragweed Pollen

      Moderate

    • Mold

      Low

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 4/26/2016
    High 65° 78° N/A 83°
    Low 45° 50° N/A 58°

    Sunrise/Sunset

    • Sunrise: 6:52 AM
    • Sunset: 8:16 PM
    • Duration: 13:24 hr

    Moonrise/Moonset

    • Moonrise: 7:15 AM
    • Moonset: 8:42 PM
    • Duration: 13:27 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps