• Today

    Dec 20

    40°Lo 27°

    Some sun, then clouds

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      43°
  • Sun

    Dec 21

    44°Lo 29°

    Partly sunny

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      46°
    more
  • Mon

    Dec 22

    45°Lo 39°

    Cloudy with afternoon rain

    Poor for lawn mowing
    • Hours of Precip
      6
    • Precip
      75%
    • Hi
      RealFeel
      42°
    more
  • Tue

    Dec 23

    54°Lo 48°

    Mostly cloudy and damp

    Poor for lawn mowing
    • Hours of Precip
      5.5
    • Precip
      49%
    • Hi
      RealFeel
      53°
    more
  • Wed

    Dec 24

    63°Lo 41°

    Rain and a t-storm; breezy

    Poor for lawn mowing
    • Hours of Precip
      6
    • Precip
      75%
    • Hi
      RealFeel
      56°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 29° 28° 28° 28° 30° 32° 35° 37°
RealFeel® 30° 29° 29° 29° 31° 35° 39° 42°
Humidity 73% 74% 74% 79% 71% 65% 58% 54%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
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0%
 
0%
Snow
 
0%
 
0%
 
0%
 
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Ice
 
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  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 2 NW 2 NW 2 NW 2 NNW 2 NNW 2 NNW 2 NNW 2 NNW
UV Index 0 0 0 0 0 1 1 2
Cloud Cover 8% 10% 24% 16% 21% 26% 31% 35%
Dew Point 22° 21° 21° 22° 22° 22° 22° 22°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 40° 44° N/A 60°
Low 27° 29° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:22 AM with 9:26 of sunlight, then sets at 4:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:37 AM with 10:20 of moolight, then sets at 3:57 PM

Lanham Weather Report

DC: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 20, 2014; 4:11 AM ET

Following benign weather this weekend, a major storm will affect Washington, D.C., much of the East and Midwest on Christmas Eve. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Sat. Overnight Freeze

Sat. Degree Days

Sat. Evapotranspiration