• Tonight

    Jul 27

    Lo 73°

    Partly cloudy and humid

    Sinus Headache Weather
    • Hi
      RealFeel
      102°
    • UV
      5 - High
    • Cloud
      Cover
      63%
  • Thu

    Jul 28

    90°Lo 72°

    A heavy thunderstorm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      107°
    • UV
      5 - High
    • Cloud
      Cover
      67%
    more
  • Fri

    Jul 29

    82°Lo 67°

    A couple of thunderstorms

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      89°
    • UV
      4 - Moderate
    • Cloud
      Cover
      76%
    more
  • Sat

    Jul 30

    84°Lo 69°

    Thundershower

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Cloud
      Cover
      77%
    more
  • Sun

    Jul 31

    83°Lo 69°

    Mostly cloudy with a t-storm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      93°
    • UV
      4 - Moderate
    • Cloud
      Cover
      81%
    more
Next Previous
Next 8 hours >
  Wed
10pm
11pm Thu
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 81° 79° 78° 77° 76° 75° 74° 74°
RealFeel® 87° 87° 86° 84° 84° 82° 81° 81°
Humidity 76% 80% 85% 88% 93% 93% 93% 93%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
6%
 
5%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 2 SSW 2 S 2 S 2 SSW 4 SSW 4 WSW 4 WSW 4 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 45% 45% 45% 45% 45% 45% 45% 45%
Dew Point 72° 73° 73° 73° 74° 73° 72° 72°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2015
High 92° 85° N/A 82°
Low 73° 69° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:05 AM with 14:19 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:42 AM with 13:41 of moolight, then sets at 2:23 PM

Rockville Weather Report

Heat wave to deteriorate across northeastern US as downpours unleash up to 2 inches of rain

July 27, 2016; 8:11 PM ET

As July draws to a close, a storm system swinging up from the Deep South will bring downpours to the northeastern U.S. and break the back of an extended heat wave. more >

Wed. Sinus Headache

Wed. UV Index