• Today

    Sep 1

    92°Lo 71°

    Mostly sunny, hot and humid

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

    Sep 2

    91°Lo 72°

    Clouds and sun, hot and humid

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

    Sep 3

    92°Lo 72°

    Partly sunny, hot and humid

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

    Sep 4

    88°Lo 68°

    Sunny intervals, a t-storm

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

    Sep 5

    81°Lo 61°

    Times of clouds and sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 76° 81° 85° 88° 89° 90° 91° 92°
RealFeel® 83° 89° 95° 100° 101° 100° 100° 99°
Humidity 78% 65% 58% 54% 49% 46% 44% 44%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
 
0%
Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 4 WNW 5 NNW 5 N 5 NNE 4 NNE 4 NNE 4 NNE 4 N
UV Index 2 3 5 6 6 5 4 3
Cloud Cover 10% 10% 10% 10% 10% 45% 45% 45%
Dew Point 69° 68° 68° 69° 68° 67° 67° 67°
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

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 92° 84° 99° (1980) 95°
Low 71° 67° 50° (1890) 76°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:02 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:38 PM with 13:27 of moolight, then sets at 11:05 AM

Cabin John Weather Report

DC, Baltimore: Sizzling Heat Wave to Start September

September 1, 2015; 2:07 AM ET

July-like heat and humidity will continue for Washington, D.C., and Baltimore for the first week of September. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps