• Today

    Sep 17

    77°Lo 55°

    Partly sunny and pleasant

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

    Sep 18

    77°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

    74°Lo 56°

    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

    85°Lo 60°

    Warm with partial sunshine

    Ragweed Pollen Weather
    • Precip
      18%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      38%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
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Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 52° 57° 64° 72° 73° 73° 75° 77°
RealFeel® 54° 61° 70° 78° 80° 79° 80° 80°
Humidity 100% 93% 72% 55% 47% 41% 36% 37%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
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Snow
 
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Ice
 
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  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 0 0 0 0 0 0 1 S 2 S
UV Index 0 1 3 4 5 4 4 4
Cloud Cover 6% 5% 5% 5% 9% 85% 74% 61%
Dew Point 52° 55° 55° 55° 52° 48° 47° 49°
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 Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 77° 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; 7:11 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