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Personalized Forecasts

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    • Today

      Sep 26

      70° /58°F
      Mostly cloudy
      • Excellent
      • for running
      • Precip: 25%
      • Hours of Precip: 5
      • Wind Gust: 18 mph
    • Tue

      Sep 27

      73° /51°
      Clouds giving way to sun
      • Very Good
      • for running
      • Precip: 25%
      • Hours of Precip: 0
      • Wind Gust: 7 mph
      More
    • Wed

      Sep 28

      72° /59°
      Heavy rain and a thunderstorm
      • Very Good
      • for running
      • Precip: 80%
      • Hours of Precip: 15
      • Wind Gust: 7 mph
      More
    • Thu

      Sep 29

      71° /58°
      Mostly cloudy, showers around
      • Fair
      • for running
      • Precip: 62%
      • Hours of Precip: 4.5
      • Wind Gust: 10 mph
      More
    • Fri

      Sep 30

      71° /56°
      Heavy showers in the morning
      • Good
      • for running
      • Precip: 77%
      • Hours of Precip: 6.5
      • Wind Gust: 10 mph
      More

    Day

    70°Hi RealFeel® 69° Precipitation 25%
    Mostly cloudy
    • SSE 8 mph
    • Gusts: 18 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 7%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    58°Lo RealFeel® 58° Precipitation 68%
    Periods of rain ending after midnight
    • WSW 7 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0.39 in
    • Rain: 0.39 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 5 hrs
    • Hours of Rain: 5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/26/2015
    High 70° 72° N/A 73°
    Low 58° 56° N/A 59°

    Sunrise/Sunset

    • Sunrise: 7:01 AM
    • Sunset: 6:58 PM
    • Duration: 11:57 hr

    Moonrise/Moonset

    • Moonrise: 2:40 AM
    • Moonset: 4:43 PM
    • Duration: 14:03 hr
    Astronomy

    Gaithersburg Weather Report

    Rounds of rain to frequent northeastern US this week

    September 26, 2016; 10:29 AM ET

    Bouts of wet weather will soak the northeastern United States during the last full week of September. More >