• Early AM

    Aug 31

    Lo 70°

    Mostly cloudy

    Asthma Weather
    • Hi
      RealFeel
      85°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Today

    Aug 31

    88°Lo 70°

    An afternoon thunderstorm

    At Risk weather for asthma
    • Hi
      RealFeel
      96°
    • UV
      5 - Moderate
    • Air Qual.
      Moderate
  • Mon

    Sep 1

    88°Lo 68°

    Partly sunny with a t-storm

    At Risk weather for asthma
    • Hi
      RealFeel
      97°
    • UV
      6 - High
    • Air Qual.
      Moderate
    more
  • Tue

    Sep 2

    93°Lo 70°

    An afternoon thunderstorm

    At Risk weather for asthma
    • Hi
      RealFeel
      98°
    • UV
      6 - High
    • Cloud
      Cover
      28%
    more
  • Wed

    Sep 3

    87°Lo 61°

    Clearing and warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      89°
    • UV
      6 - High
    • Cloud
      Cover
      25%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
T-storms
Partly Cloudy
Partly Cloudy
Partly Cloudy
Cloudy
Cloudy
Cloudy
T-storms
Temp (°F) 82° 83° 83° 82° 79° 77° 76° 75°
RealFeel® 89° 92° 91° 89° 85° 81° 80° 77°
Humidity 82% 77% 77% 79% 82% 87% 89% 91%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
51%
 
27%
 
22%
 
26%
 
34%
 
34%
 
40%
 
60%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 6 SW 6 SW 5 SW 4 SW 3 SW 3 SW 3 SW 3 SW
UV Index 3 1 1 0 0 0 0 0
Cloud Cover 70% 70% 70% 70% 70% 70% 70% 70%
Dew Point 76° 76° 75° 75° 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 - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 88° 85° 98° (1991) 90°
Low 70° 62° 43° (1976) 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 13:08 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:20 AM with 10:58 of moolight, then sets at 10:18 PM

Top Story

Poolesville Weather Report

DC: Summer Heat to Hold Beyond Labor Day

August 30, 2014; 10:13 PM ET

Labor Day weekend traditionally marks the unofficial end to summer, but the weather has another idea in mind around Washington, D.C., with a prolonged stretch of summer heat underway. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index