• Today

    Aug 31

    91°Lo 65°

    Humid with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Sep 1

    93°Lo 67°

    Humid with sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Wed

    Sep 2

    92°Lo 67°

    Periods of sun, hot and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Sep 3

    93°Lo 67°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Sep 4

    89°Lo 64°

    Humid with clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
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  Tue
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Forecast
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Mostly Sunny
Temp (°F) 66° 70° 76° 81° 85° 88° 90° 91°
RealFeel® 70° 77° 85° 92° 98° 101° 101° 101°
Humidity 98% 99% 84% 70% 62% 55% 51% 49%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
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  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 0 0 1 NNW 4 NNW 4 N 5 NNW 6 NW 6 NW
UV Index 0 1 2 3 5 6 6 6
Cloud Cover 0% 0% 0% 0% 0% 2% 6% 10%
Dew Point 66° 69° 71° 71° 71° 70° 70° 69°
Middle Grid line 95 F 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 - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 93° 84° N/A 90°
Low 67° 64° N/A 72°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 13:03 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:39 PM with 13:28 of moolight, then sets at 11:07 AM

Frederick Weather Report

DC, Baltimore: Sizzling Heat Wave to Start September

August 31, 2015; 11:50 AM ET

A push of summery heat and humidity will arrive in the Washington D.C. and Baltimore areas this week as September begins. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps