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    • Wed

      Oct 5

      69° /55°F
      Sun and areas of low clouds
      • 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
    • Thu

      Oct 6

      70° /56°
      Some sun, then clouds
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Oct 7

      75° /52°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Oct 8

      71° /47°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 9

      69° /46°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    69°Hi RealFeel® 68° Precipitation 13%
    Sun and areas of low clouds
    • ESE 6 mph
    • Gusts: 9 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    55°Lo RealFeel® 54° Precipitation 20%
    Mainly clear
    • E 5 mph
    • Gusts: 7 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

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/5/2015
    High 69° 72° N/A 66°
    Low 55° 51° N/A 45°

    Sunrise/Sunset

    • Sunrise: 7:11 AM
    • Sunset: 6:45 PM
    • Duration: 11:34 hr

    Moonrise/Moonset

    • Moonrise: 11:15 AM
    • Moonset: 9:43 PM
    • Duration: 10:28 hr
    Astronomy

    Frederick Weather Report

    Persistent rain to raise flood risk in part of northeastern US

    September 30, 2016; 7:29 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 >