• Early AM

    Aug 31

    Lo 70°

    Increasing clouds

    Asthma Weather
    • Hi
      RealFeel
      96°
    • UV
      4 - Moderate
    • Air Qual.
      Good
    more
  • Today

    Aug 31

    88°Lo 65°

    More clouds than sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      4 - Moderate
    • Air Qual.
      Moderate
  • Tue

    Sep 1

    91°Lo 68°

    Humid with plenty of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      98°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Wed

    Sep 2

    90°Lo 67°

    Humid with clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      99°
    • UV
      5 - High
    • Air Qual.
      Moderate
    more
  • Thu

    Sep 3

    88°Lo 66°

    Very warm with sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Mostly Clear
Cloudy
Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 73° 72° 71° 70° 72° 74° 77° 81°
RealFeel® 74° 73° 71° 71° 74° 78° 82° 87°
Humidity 76% 78% 81% 84% 82% 77% 66% 57%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 4 SSW 2 SSW 2 SSW 2 SW 4 SW 4 SW 5 WSW 4 WSW
UV Index 0 0 0 0 1 2 3 4
Cloud Cover 28% 52% 70% 94% 70% 70% 70% 70%
Dew Point 65° 65° 65° 65° 66° 66° 65° 64°
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 - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 88° 82° N/A 90°
Low 65° 61° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 13:05 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:03 PM with 12:56 of moolight, then sets at 9:59 AM

Winchester Weather Report

DC, Baltimore: Sizzling Heat Wave to Start September

August 31, 2015; 1:20 AM ET

A push of summery heat and humidity will arrive in the Washington D.C. and Baltimore areas this week as September begins. 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.

Mon. Air Quality

Mon. Asthma Risk

Mon. UV Index