• Tonight

    Aug 28

    Lo 67°

    Partly cloudy and humid

    Sinus Headache Weather
    • Hi
      RealFeel
      106°
    • UV
      5 - High
    • Cloud
      Cover
      30%
    more
  • Mon

    Aug 29

    91°Lo 65°

    Partly sunny and hot

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      103°
    • UV
      5 - High
    • Cloud
      Cover
      30%
  • Tue

    Aug 30

    87°Lo 66°

    Mostly sunny

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      95°
    • UV
      5 - High
    • Cloud
      Cover
      17%
    more
  • Wed

    Aug 31

    90°Lo 65°

    A p.m. t-storm in spots

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      97°
    • UV
      5 - High
    • Cloud
      Cover
      50%
    more
  • Thu

    Sep 1

    81°Lo 58°

    Not as warm with some sun

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      86°
    • UV
      5 - High
    • Cloud
      Cover
      40%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Partly Sunny
Partly Cloudy
Temp (°F) 74° 78° 83° 87° 89° 90° 91° 90°
RealFeel® 83° 88° 95° 102° 103° 103° 102° 98°
Humidity 89% 73% 65% 60% 55% 52% 50% 50%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 2 W 2 W 4 W 4 WNW 4 NW 4 NNW 4 NNW 4 NNW
UV Index 2 3 5 6 6 6 5 3
Cloud Cover 9% 8% 9% 11% 18% 29% 45% 59%
Dew Point 71° 69° 70° 71° 70° 70° 70° 69°
Middle Grid line 95 F 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 91° 85° N/A 90°
Low 65° 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 28, 2016; 9:28 PM ET

Brief relief from heat and humidity will arrive in the northeastern United States at the start of September. more >

Mon. Sinus Headache

Mon. UV Index