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  • Fri

    Aug 12

    Couple of thunderstorms 86°Lo 71°
    more
  • Sat

    Aug 13

    Mainly cloudy and less humid 81°Lo 71°
    more
  • Sun

    Aug 14

    Couple of thunderstorms 86°Lo 71°
  • Mon

    Aug 15

    Mostly sunny 85°Lo 71°
    more
  • Tue

    Aug 16

    Increasing cloudiness 85°Lo 70°
    more
Hi 86° RealFeel® 91° Precipitation 61%

Day

N

E

S

W

  • S 9 mph
  • Gusts: 17 mph

Variable clouds with a couple of showers and a thunderstorm, mainly early on

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 44%
  • Precipitation: 0.17 in
  • Rain: 0.17 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 71° RealFeel® 73° Precipitation 5%

Night

N

E

S

W

  • WSW 7 mph
  • Gusts: 14 mph

Clear and humid

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Aug 14

more Historical Weather Data >
  Today Normal Record 8/14/2015
High 86° 84° N/A 88°
Low 71° 68° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:22 AM with 13:42 of sunlight, then sets at 8:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:16 PM with 10:14 of moolight, then sets at 3:30 AM

Gaithersburg Weather Report

'Virtually no relief' from heat in store for eastern US into end of July

July 23, 2016; 2:25 PM ET

Much of the eastern United States will continue to swelter with above-average temperatures into the end of the month. more >

FOX 5 Washington D.C. Headlines

Washington Monument closed until Tuesday

Visitors to the National Mall will not be able to go up in the Washington Monument until at least Tuesday. 

DC heat wave: When temps will peak

Power outages close several DC museums