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    • Today

      Sep 29

      68° /60°F
      Downpours; breezy, humid
      • Poor
      • for biking
      • Precip: 87%
      • Hours of Precip: 16.5
      • Wind Gust: 22 mph
    • Fri

      Sep 30

      66° /61°
      Cloudy, showers around; humid
      • Fair
      • for biking
      • Precip: 62%
      • Hours of Precip: 6
      • Wind Gust: 15 mph
      More
    • Sat

      Oct 1

      74° /59°
      Warmer with rain and drizzle
      • Good
      • for biking
      • Precip: 60%
      • Hours of Precip: 4
      • Wind Gust: 8 mph
      More
    • Sun

      Oct 2

      79° /56°
      Considerable cloudiness
      • Good
      • for biking
      • Precip: 25%
      • Hours of Precip: 0
      • Wind Gust: 5 mph
      More
    • Mon

      Oct 3

      76° /56°
      Nice with partial sunshine
      • Excellent
      • for biking
      • Precip: 12%
      • Hours of Precip: 0
      • Wind Gust: 7 mph
      More

    Day

    68°Hi RealFeel® 66° Precipitation 87%
    Breezy and humid with pouring rain; watch for flooding on streets and poor drainage areas
    • E 14 mph
    • Gusts: 22 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 24%
    • Precipitation: 0.66 in
    • Rain: 0.66 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 8.5 hrs
    • Hours of Rain: 8.5 hrs

    Night

    60°Lo RealFeel® 55° Precipitation 70%
    Breezy and mild with periods of rain; there can be flooding in low-lying and poor drainage areas
    • ENE 14 mph
    • Gusts: 21 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0.47 in
    • Rain: 0.47 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 8 hrs
    • Hours of Rain: 8 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 68° 75° N/A 81°
    Low 60° 54° N/A 66°

    Sunrise/Sunset

    • Sunrise: 7:04 AM
    • Sunset: 6:54 PM
    • Duration: 11:50 hr

    Moonrise/Moonset

    • Moonrise: 5:39 AM
    • Moonset: 6:26 PM
    • Duration: 12:47 hr
    Astronomy

    Frederick Weather Report

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

    September 29, 2016; 8:16 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 >