• Tonight

    Aug 27

    Lo 66°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
  • Sun

    Aug 28

    90°Lo 66°

    Mostly sunny

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

    Aug 29

    91°Lo 65°

    Partly sunny and humid

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

    Aug 30

    88°Lo 66°

    Partly sunny and very warm

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

    Aug 31

    91°Lo 66°

    A p.m. t-storm in spots

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Next 8 hours >
  Sat
7pm
8pm 9pm 10pm 11pm Sun
12am
1am 2am
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Forecast
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 85° 82° 77° 75° 73° 72° 70° 69°
RealFeel® 90° 86° 79° 78° 76° 75° 72° 71°
Humidity 65% 69% 74% 83% 87% 92% 93% 93%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
0%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 5 S 2 S 4 S 4 S 5 SSE 4 ESE 4 ESE 4 ESE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 20% 23% 15% 11% 11% 11% 11% 11%
Dew Point 72° 70° 68° 70° 69° 69° 68° 67°
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 - Aug 27

more Historical Weather Data >
  Today Normal Record 8/27/2015
High 90° 85° N/A 79°
Low 66° 65° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:34 AM with 13:13 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:50 AM with 14:38 of moolight, then sets at 4:28 PM

Frederick Weather Report

More summery days await the northeastern US into September

August 27, 2016; 12:24 PM ET

Summer heat has returned to the northeastern United States and will continue to dominate most days into September. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps