• Today

    Jul 31

    89°Lo 67°

    Less humid with plenty of sun

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

    Aug 1

    89°Lo 66°

    Sun mixing with clouds

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

    Aug 2

    89°Lo 69°

    Mostly sunny

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

    Aug 3

    93°Lo 71°

    Partly sunny and hot

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

    Aug 4

    90°Lo 67°

    A thunderstorm in the area

    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 >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 76° 79° 82° 85° 86° 87° 88° 89°
RealFeel® 80° 84° 88° 91° 93° 94° 93° 92°
Humidity 66% 54% 47% 42% 38% 35% 34% 34%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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Snow
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 NNW 6 NW 6 NW 7 NW 7 NW 6 WNW 7 WNW 7 W
UV Index 3 4 6 7 8 7 6 5
Cloud Cover 10% 4% 5% 10% 10% 10% 10% 10%
Dew Point 64° 61° 60° 60° 58° 57° 57° 57°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 89° 88° 103° (1954) 89°
Low 67° 71° 52° (1895) 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 14:13 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:23 PM with 11:08 of moolight, then sets at 7:31 AM

Cabin John Weather Report

DC, Baltimore: Heat to Linger, Humidity to Ease Friday, This Weekend

July 31, 2015; 4:30 AM ET

Following the steam bath of this week, the weather around Washington, D.C., and Baltimore will not be in a hurry to cool down. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps