• Tonight

    Jul 23

    Lo 68°

    Clear to partly cloudy

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

    Jul 24

    96°Lo 75°

    Mostly sunny and hot

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

    Jul 25

    98°Lo 74°

    A t-storm in the afternoon

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

    Jul 26

    95°Lo 70°

    Humid with clouds and sun

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

    Jul 27

    95°Lo 71°

    Partly sunny, hot and humid

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Next 8 hours >
  Sat
9pm
10pm 11pm Sun
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Clear
Clear
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 86° 82° 79° 77° 76° 74° 72° 70°
RealFeel® 91° 88° 84° 80° 79° 77° 73° 71°
Humidity 63% 72% 76% 77% 82% 85% 84% 85%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
16%
 
16%
 
16%
 
16%
 
10%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 4 NW 4 NW 4 NW 4 NW 4 NNW 4 NNW 2 NNW 2 NNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 6% 26% 26% 26% 26% 26%
Dew Point 72° 72° 71° 69° 70° 69° 66° 65°
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 - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2015
High 91° 89° N/A 84°
Low 68° 68° N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:02 AM with 14:28 of sunlight, then sets at 8:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:53 PM with 12:10 of moolight, then sets at 11:03 AM

Frederick Weather Report

'Virtually no relief' from heat in store for eastern US into end of July

July 23, 2016; 5:05 PM ET

Much of the eastern United States will continue to swelter with above-average temperatures into the end of the month. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps