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    • Today

      Sep 30

      64° /62°F
      Cloudy, a shower; breezy
      • Driving
        • Driving
        • Fuel Economy
      • Good
      • for driving
      • Precip: 55%
      • Hours of Precip: 4
      • Rain: 0.32 in
    • Sat

      Oct 1

      77° /59°
      Warmer; a shower in the p.m.
      • Very Good
      • for driving
      • Precip: 55%
      • Hours of Precip: 1.5
      • Rain: 0.06 in
      More
    • Sun

      Oct 2

      77° /58°
      Mostly cloudy
      • Excellent
      • for driving
      • Precip: 25%
      • Hours of Precip: 0
      • Rain: 0 in
      More
    • Mon

      Oct 3

      73° /56°
      Partly sunny and beautiful
      • Excellent
      • for driving
      • Precip: 11%
      • Hours of Precip: 0
      • Rain: 0 in
      More
    • Tue

      Oct 4

      72° /59°
      Beautiful with clouds and sun
      • Excellent
      • for driving
      • Precip: 9%
      • Hours of Precip: 0
      • Rain: 0 in
      More

    Day

    64°Hi RealFeel® 61° Precipitation 55%
    Cloudy and breezy with a shower
    • NE 13 mph
    • Gusts: 23 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 20%
    • Precipitation: 0.07 in
    • Rain: 0.07 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    62°Lo RealFeel® 58° Precipitation 74%
    Mostly cloudy with a couple of showers
    • ENE 7 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 29%
    • Precipitation: 0.25 in
    • Rain: 0.25 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 3 hrs
    • Hours of Rain: 3 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/30/2015
    High 64° 70° N/A 72°
    Low 62° 54° N/A 57°

    Sunrise/Sunset

    • Sunrise: 7:05 AM
    • Sunset: 6:52 PM
    • Duration: 11:47 hr

    Moonrise/Moonset

    • Moonrise: 6:35 AM
    • Moonset: 6:56 PM
    • Duration: 12:21 hr
    Astronomy

    Gaithersburg 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 >

    Fri. Travel Weather

    48 Hour Precipitation Forecast

    Fri. Driving Weather