• Today

    Aug 30

    87°Lo 63°

    Mostly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      92°
    • UV
      5 - High
    • Cloud
      Cover
      23%
    more
  • Wed

    Aug 31

    88°Lo 68°

    Very warm with periods of sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      98°
    • UV
      5 - High
    • Cloud
      Cover
      48%
  • Thu

    Sep 1

    80°Lo 59°

    Not as warm; an a.m. t-storm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      86°
    • UV
      4 - Moderate
    • Cloud
      Cover
      68%
    more
  • Fri

    Sep 2

    77°Lo 58°

    Partly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      79°
    • UV
      5 - High
    • Cloud
      Cover
      27%
    more
  • Sat

    Sep 3

    78°Lo 58°

    Pleasant with plenty of sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      82°
    • UV
      5 - High
    • Cloud
      Cover
      0%
    more
Next Previous
Times of clouds and sun 86° Lo 70° RealFeel® 98° / 74°

N

E

S

W

  • Precipitation: 3%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 69%
  • Cloud Cover: 46%
  • Dew Point: 68° F
  • Visibility: 10 mi
4 mph

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2015
High 88° 81° N/A 88°
Low 68° 65° N/A 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:03 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:48 AM with 13:31 of moolight, then sets at 7:19 PM

Rockville Weather Report

September to start on cooler, less humid note in northeastern US

August 30, 2016; 1:24 AM ET

Brief relief from heat and humidity will arrive in the northeastern United States during the first days of September. more >

Wed. Sinus Headache

Wed. UV Index