• Today

    Jul 13

    92°Lo 73°

    A t-storm around in the p.m.

    Very Good for biking
    • Precip
      40%
    • Hours of Precip
      0.5
    • Wind
      Gust
      14 mph
  • Mon

    Jul 14

    91°Lo 70°

    Strong t-storms, mainly later

    Fair for biking
    • Precip
      66%
    • Hours of Precip
      3
    • Wind
      Gust
      11 mph
    more
  • Tue

    Jul 15

    85°Lo 62°

    Heavy t-storms; cloudy spells

    Poor for biking
    • Precip
      70%
    • Hours of Precip
      5
    • Wind
      Gust
      8 mph
    more
  • Wed

    Jul 16

    82°Lo 60°

    Partly sunny and nice

    Very Good for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
  • Thu

    Jul 17

    81°Lo 61°

    Partly sunny and nice

    Excellent for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Cloudy
Mostly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 70° 72° 75° 78° 81° 84° 87° 89°
RealFeel® 68° 72° 78° 83° 87° 91° 95° 96°
Humidity 89% 87% 81% 74% 67% 63% 58% 53%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
0%
 
2%
 
5%
 
5%
 
6%
 
7%
 
7%
 
8%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 5 S 4 S 5 S 6 S 7 S 8 S 8 SSW 9 SSW
UV Index 0 0 1 3 4 6 7 7
Cloud Cover 77% 75% 44% 44% 44% 46% 46% 46%
Dew Point 66° 68° 69° 70° 69° 70° 70° 70°
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 13

more Historical Weather Data >
  Today Normal Record 7/13/2013
High 92° 89° 100° (1954) 86°
Low 73° 71° 56° (1888) 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:54 AM with 14:40 of sunlight, then sets at 8:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:22 PM with 11:11 of moolight, then sets at 8:33 AM

Top Story

Accokeek Weather Report

DC: Severe Storm, Flooding Threat to Start the New Week

July 13, 2014; 3:34 AM ET

The risk of severe thunderstorms and flash flooding will ramp up quickly for the start of the new 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.