• Tonight

    Jul 13

    Lo 72°

    Heavy evening thunderstorms

    Bicycling Weather
    • Precip
      35%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
  • Mon

    Jul 14

    89°Lo 69°

    Strong t-storms, mainly later

    Fair for biking
    • Precip
      65%
    • Hours of Precip
      3
    • Wind
      Gust
      9 mph
    more
  • Tue

    Jul 15

    85°Lo 60°

    Heavy t-storms; mostly cloudy

    Poor for biking
    • Precip
      70%
    • Hours of Precip
      4
    • Wind
      Gust
      10 mph
    more
  • Wed

    Jul 16

    81°Lo 58°

    Partly sunny and pleasant

    Excellent for biking
    • Precip
      21%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
  • Thu

    Jul 17

    82°Lo 60°

    Partly sunny and pleasant

    Excellent for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      7 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Sunny
Partly Cloudy
Sunny
Sunny
Partly Sunny
Sunny
T-storms
Partly Cloudy
Temp (°F) 86° 86° 90° 90° 86° 82° 80° 79°
RealFeel® 97° 95° 99° 95° 91° 85° 81° 82°
Humidity 69% 68% 61% 57% 65% 74% 79% 82%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
9%
 
9%
 
9%
 
9%
 
13%
 
48%
 
52%
 
48%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 10 SSW 8 SSW 7 S 8 SSW 5 SSW 8 WSW 7 WSW 6 WSW
UV Index 6 4 3 2 0 0 0 0
Cloud Cover 0% 55% 0% 0% 35% 0% 27% 41%
Dew Point 75° 74° 75° 73° 73° 73° 73° 73°
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

Temperature History - Jul 13

more Historical Weather Data >
  Today Normal Record 7/13/2013
High 90° 89° N/A 84°
Low 72° 68° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:44 of sunlight, then sets at 8:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:24 PM with 11:09 of moolight, then sets at 8:33 AM

Top Story

Frederick Weather Report

DC Faces Two Days of Drenching, Severe Storms

July 13, 2014; 5:55 PM ET

Washington, D.C., faces not one, but two days of drenching and severe thunderstorms early this week. 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.