• Today

    Aug 1

    87°Lo 60°

    Sun, some clouds

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      92°
    • UV
      7 - Very High
    • Cloud
      Cover
      32%
  • Sun

    Aug 2

    87°Lo 66°

    Brilliant sunshine and nice

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      93°
    • UV
      7 - Very High
    • Cloud
      Cover
      9%
    more
  • Mon

    Aug 3

    92°Lo 66°

    Partly sunny and hot

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Cloud
      Cover
      28%
    more
  • Tue

    Aug 4

    87°Lo 69°

    A thunderstorm in spots

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      89°
    • UV
      5 - High
    • Cloud
      Cover
      46%
    more
  • Wed

    Aug 5

    86°Lo 65°

    An afternoon thunderstorm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      91°
    • UV
      5 - High
    • Cloud
      Cover
      45%
    more
Next Previous
Hi 87° RealFeel® 92° Precipitation 8%

Day

N

E

S

W

  • W 7 mph
  • Gusts: 12 mph

Sunshine mixing with some clouds

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 60° RealFeel® 60° Precipitation 8%

Night

N

E

S

W

  • NNW 5 mph
  • Gusts: 9 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • 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 1

more Historical Weather Data >
  Today Normal Record 8/1/2014
High 87° 88° 100° (1980) 77°
Low 60° 65° 54° (1997) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 14:12 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:06 PM with 11:36 of moolight, then sets at 8:42 AM

Gaithersburg Weather Report

DC, Baltimore: Hot, Dry Weather to Last Through Weekend

August 1, 2015; 4:36 AM ET

Humidity will ease across the region, but there is not much relief in sight for the hot weather. more >

New Year, New You

Dec 24, 2012; 5:00 AM ET Start 2013 right with these tips on how to set realistic New Year's resolutions!

Sat. Sinus Headache

Sat. UV Index