• Tonight

    Sep 21

    Lo 56°

    Partly cloudy

    Bicycling Weather
    • Precip
      55%
    • Hours of Precip
      1
    • Wind
      Gust
      11 mph
  • Mon

    Sep 22

    69°Lo 43°

    Cooler with clouds and sun

    Excellent for biking
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      29 mph
    more
  • Tue

    Sep 23

    70°Lo 48°

    Mostly sunny

    Excellent for biking
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
    more
  • Wed

    Sep 24

    74°Lo 53°

    Pleasant with plenty of sun

    Excellent for biking
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
  • Thu

    Sep 25

    71°Lo 49°

    Pleasant with some sun

    Excellent for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      4 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
11pm
Mon
12am
1am 2am 3am 4am 5am 6am
  11pm 12am 1am 2am 3am 4am 5am 6am
Forecast
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Partly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 68° 66° 65° 63° 62° 60° 59° 58°
RealFeel® 63° 61° 60° 59° 58° 56° 55° 54°
Humidity 61% 61% 64% 64% 65% 68% 70% 72%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
34%
 
34%
 
29%
 
20%
 
20%
 
20%
 
20%
 
20%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 11 WNW 10 WNW 9 WNW 8 WNW 7 WNW 6 WNW 6 WNW 6 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 36% 23% 13% 15% 36% 66% 90% 92%
Dew Point 55° 53° 52° 51° 50° 50° 49° 49°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 84° 75° 94° (1965) 70°
Low 56° 52° 29° (1956) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:58 AM with 12:13 of sunlight, then sets at 7:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:31 AM with 13:14 of moolight, then sets at 5:45 PM

Top Story

Martinsburg Weather Report

DC: September Temperature Roller Coaster to Continue

September 21, 2014; 9:44 PM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Washington, D.C. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.