• Today

    Sep 17

    76°Lo 55°

    Pleasant with sunshine

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
  • Thu

    Sep 18

    75°Lo 51°

    Mostly sunny and pleasant

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Sep 19

    75°Lo 57°

    Partly sunny and pleasant

    Moderate ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Sep 20

    80°Lo 59°

    Clearing

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
  • Sun

    Sep 21

    84°Lo 60°

    Partial sunshine

    Ragweed Pollen Weather
    • Precip
      18%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      38%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
10pm
11pm Thu
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 60° 58° 57° 57° 57° 56° 56° 56°
RealFeel® 59° 58° 57° 57° 57° 56° 56° 56°
Humidity 74% 76% 77% 79% 78% 79% 79% 80%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 2 ENE 1 ESE 1 ESE 1 ESE 1 SE 1 SE 1 SSE 1 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 8% 10% 10% 10% 26% 26% 26% 26%
Dew Point 52° 51° 50° 51° 50° 50° 49° 50°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 76° 80° N/A 68°
Low 55° 59° N/A 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 12:23 of sunlight, then sets at 7:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:53 AM with 14:29 of moolight, then sets at 3:22 PM

Top Story

Frederick Weather Report

DC: Remainder of Week to Be Dry, Cool

September 17, 2014; 3:11 AM ET

Rainfall will be scarce around Washington, D.C., this week, but cool air will be plentiful. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps