• Today

    Sep 20

    78°Lo 63°

    Times of sun and clouds

    Excellent for biking
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
  • Sun

    Sep 21

    82°Lo 63°

    Humid with partial sunshine

    Excellent for biking
    • Precip
      20%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Mon

    Sep 22

    73°Lo 52°

    Partly sunny and not as warm

    Very Good for biking
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
  • Tue

    Sep 23

    72°Lo 55°

    Mostly sunny and pleasant

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

    Sep 24

    74°Lo 58°

    Sunny and pleasant

    Excellent for biking
    • Precip
      9%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 64° 66° 69° 72° 75° 76° 77° 78°
RealFeel® 63° 65° 69° 74° 78° 80° 80° 79°
Humidity 90% 83% 75% 68% 63% 59% 55% 54%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 4 ESE 4 ESE 5 ESE 5 ESE 5 SE 5 SE 5 SE 5 SE
UV Index 0 1 2 3 4 5 5 4
Cloud Cover 47% 53% 54% 53% 49% 43% 41% 40%
Dew Point 61° 61° 61° 61° 61° 60° 60° 60°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 78° 79° 96° (1998) 74°
Low 63° 62° 40° (1959) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:52 AM with 12:15 of sunlight, then sets at 7:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:32 AM with 13:35 of moolight, then sets at 5:07 PM

Top Story

Chesapeake Beach Weather Report

DC: September Temperature Roller Coaster to Continue

September 20, 2014; 2:04 AM 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.