• Tonight

    Jul 23

    Lo 71°

    A strong evening thunderstorm

    Sinus Headache Weather
    • Hi
      RealFeel
      99°
    • UV
      8 - Very High
    • Cloud
      Cover
      35%
  • Thu

    Jul 24

    81°Lo 62°

    A couple of thunderstorms

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      85°
    • UV
      4 - Moderate
    • Cloud
      Cover
      87%
    more
  • Fri

    Jul 25

    84°Lo 62°

    Sunny and pleasant

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      90°
    • UV
      8 - Very High
    • Cloud
      Cover
      8%
    more
  • Sat

    Jul 26

    88°Lo 70°

    Sun, some clouds

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      92°
    • UV
      8 - Very High
    • Cloud
      Cover
      28%
    more
  • Sun

    Jul 27

    89°Lo 70°

    Some sun, a t-storm possible

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      94°
    • UV
      7 - High
    • Cloud
      Cover
      56%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Partly Sunny
Mostly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 70° 74° 77° 80° 84° 88° 89° 91°
RealFeel® 72° 79° 85° 90° 95° 99° 99° 98°
Humidity 93% 87% 81% 72% 64% 56% 53% 50%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
6%
 
5%
 
5%
 
6%
 
7%
 
7%
 
11%
 
19%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 3 S 3 SW 4 WSW 4 NNE 5 SW 6 S 6 SW 7 NE
UV Index 0 1 3 5 6 7 8 7
Cloud Cover 37% 28% 30% 23% 15% 14% 31% 35%
Dew Point 68° 70° 71° 70° 71° 71° 70° 69°
Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2013
High 92° 88° 102° (2011) 89°
Low 71° 71° 56° (1890) 76°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:01 AM with 14:28 of sunlight, then sets at 8:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:19 AM with 14:36 of moolight, then sets at 5:55 PM

Top Story

Rockville Weather Report

DC: Another Cooldown to Follow Midweek Storms

July 23, 2014; 6:12 PM ET

Fresh cooler and less humid air will settle over the Boston area for Thursday and Friday. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Wed. Sinus Headache

Wed. UV Index