• Early AM

    Sep 20

    Lo 57°

    Areas of fog

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      30 - Moderate
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Sep 20

    80°Lo 53°

    Warmer; areas of morning fog

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

    Sep 21

    81°Lo 55°

    A t-storm in the afternoon

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

    Sep 22

    68°Lo 41°

    Cooler with clouds and sun

    Moderate ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      60%
    more
  • Tue

    Sep 23

    72°Lo 45°

    Partly sunny

    Moderate ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Fog
Fog
Fog
Showers
Fog
Fog
Cloudy
Cloudy
Temp (°F) 60° 59° 58° 57° 59° 62° 66° 70°
RealFeel® 59° 59° 58° 57° 60° 62° 66° 72°
Humidity 85% 85% 83% 82% 85% 82% 72% 66%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
19%
 
34%
 
37%
 
40%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (mph) 3 E 3 E 3 E 2 E 2 E 3 SE 3 S 4 S
UV Index 0 0 0 0 0 1 2 3
Cloud Cover 95% 100% 100% 100% 100% 95% 95% 95%
Dew Point 55° 54° 53° 52° 55° 56° 56° 58°
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

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 80° 72° 89° (1908) 76°
Low 53° 49° 31° (1956) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:02 AM with 12:15 of sunlight, then sets at 7:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:42 AM with 13:36 of moolight, then sets at 5:18 PM

Top Story

Petersburg Weather Report

DC: September Temperature Roller Coaster to Continue

September 20, 2014; 2:04 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Washington, D.C. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps