• Today

    Aug 31

    90°Lo 69°

    A p.m. t-storm in spots

    High ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
  • Thu

    Sep 1

    82°Lo 59°

    Humid with some sun returning

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

    Sep 2

    81°Lo 61°

    Partly sunny and less humid

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

    Sep 3

    71°Lo 59°

    Sun followed by clouds

    High ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      5 - High
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 4

    69°Lo 60°

    A couple of showers possible

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Next 8 hours >
  Wed
5pm
6pm 7pm 8pm 9pm 10pm 11pm Thu
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Mostly Cloudy
Partly Cloudy
T-storms
T-storms
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 88° 85° 82° 77° 75° 73° 73° 72°
RealFeel® 97° 91° 85° 82° 81° 79° 78° 77°
Humidity 61% 65% 73% 90% 91% 93% 93% 93%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Rain
 
43%
 
47%
 
51%
 
51%
 
47%
 
39%
 
29%
 
29%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 4 N 4 SSE 4 SSE 4 SSE 4 SSE 4 S 2 S 2 S
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 85% 73% 63% 100% 93% 92% 91% 90%
Dew Point 73° 72° 72° 74° 72° 71° 71° 70°
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

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2015
High 90° 84° N/A 90°
Low 69° 64° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:04 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:48 AM with 13:33 of moolight, then sets at 7:21 PM

Frederick Weather Report

Warm fall may jeopardize foliage displays in northeastern US

August 31, 2016; 4:49 PM ET

Though the summer season is winding down, forecasters are predicting a warm start to fall across the Northeast — a weather pattern that could spell bad news for fall foliage lovers. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps