, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Early AM

      Sep 27

      60° Lo
      Periods of rain and a thunderstorm
      • Construction
      • Weather
      • Precip: 64%
      • Hours of Precip: 4
      • Hi RealFeel: 67°
      More
    • Today

      Sep 27

      74° /53°F
      Clouds giving way to sun
      • Excellent
      • for outdoor DIY projects
      • Precip: 23%
      • Hours of Precip: 0
      • Hi RealFeel: 78°
    • Wed

      Sep 28

      73° /60°
      A bit of afternoon rain
      • Very Good
      • for outdoor DIY projects
      • Precip: 65%
      • Hours of Precip: 4
      • Hi RealFeel: 74°
      More
    • Thu

      Sep 29

      72° /59°
      A shower and t-storm around
      • Good
      • for outdoor DIY projects
      • Precip: 60%
      • Hours of Precip: 2.5
      • Hi RealFeel: 72°
      More
    • Fri

      Sep 30

      72° /54°
      Heavy showers in the morning
      • Fair
      • for outdoor DIY projects
      • Precip: 41%
      • Hours of Precip: 1.5
      • Hi RealFeel: 73°
      More

    Day

    74°Hi RealFeel® 78° Precipitation 25%
    Clouds giving way to sun
    • WSW 5 mph
    • Gusts: 7 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    53°Lo RealFeel® 54° Precipitation 23%
    Partly cloudy
    • NW 2 mph
    • Gusts: 6 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 9/27/2015
    High 74° 71° N/A 72°
    Low 53° 55° N/A 57°

    Sunrise/Sunset

    • Sunrise: 7:02 AM
    • Sunset: 6:57 PM
    • Duration: 11:55 hr

    Moonrise/Moonset

    • Moonrise: 3:40 AM
    • Moonset: 5:20 PM
    • Duration: 13:40 hr
    Astronomy

    Gaithersburg Weather Report

    Rounds of rain to frequent northeastern US this week

    September 27, 2016; 1:30 AM ET

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

    Tue. Outdoor DIY Projects

    Tue. Wind Maps

    Tue. UV Index