• Today

    Aug 29

    90°Lo 64°

    Hot with more sun than clouds

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

    Aug 30

    88°Lo 65°

    Mostly sunny and less humid

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

    Aug 31

    90°Lo 68°

    Humid with periods of sun

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

    Sep 1

    82°Lo 60°

    Not as hot

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

    Sep 2

    80°Lo 56°

    Partly sunny and less humid

    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 >
  Mon
6pm
7pm 8pm 9pm 10pm 11pm Tue
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Partly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 87° 85° 82° 77° 76° 74° 72° 71°
RealFeel® 91° 89° 85° 79° 77° 75° 71° 71°
Humidity 56% 61% 65% 71% 77% 79% 79% 84%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
0%
 
0%
 
4%
 
4%
 
4%
 
4%
 
4%
 
3%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
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  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 4 WSW 4 WSW 5 W 5 NW 6 N 6 NE 6 NE 6 NE
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 38% 19% 11% 11% 11% 11% 11% 11%
Dew Point 69° 70° 69° 67° 68° 67° 65° 66°
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 29

more Historical Weather Data >
  Today Normal Record 8/29/2015
High 90° 85° N/A 90°
Low 64° 64° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:36 AM with 13:08 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:47 AM with 14:17 of moolight, then sets at 6:04 PM

Frederick Weather Report

September to start on cooler, less humid note in northeastern US

August 29, 2016; 12:20 PM ET

Brief relief from heat and humidity will arrive in the northeastern United States during the first days of September. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps