• Today

    Jul 24

    96°Lo 74°

    Sunshine; very hot, humid

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      108°
    • UV
      7 - Very High
    • Cloud
      Cover
      20%
    more
  • Mon

    Jul 25

    98°Lo 73°

    A strong afternoon t-storm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      110°
    • UV
      5 - High
    • Cloud
      Cover
      45%
  • Tue

    Jul 26

    95°Lo 67°

    Periods of clouds and sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      105°
    • UV
      5 - High
    • Cloud
      Cover
      46%
    more
  • Wed

    Jul 27

    94°Lo 69°

    Partly sunny and hot

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      104°
    • UV
      5 - High
    • Cloud
      Cover
      29%
    more
  • Thu

    Jul 28

    93°Lo 70°

    Partly sunny with a t-storm

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      105°
    • UV
      5 - High
    • Cloud
      Cover
      55%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
7am
8am 9am 10am 11am 12pm 1pm 2pm
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Mostly Cloudy
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°F) 77° 80° 84° 87° 91° 94° 96° 98°
RealFeel® 89° 93° 100° 103° 106° 110° 109° 109°
Humidity 98% 89% 80% 66% 57% 52% 47% 43%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
4%
 
7%
 
7%
 
6%
 
5%
 
5%
 
8%
 
43%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7am 8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 2 W 2 W 4 W 5 WSW 5 WSW 6 WSW 7 WSW 7 WSW
UV Index 0 1 3 4 6 7 7 7
Cloud Cover 76% 45% 45% 45% 45% 45% 45% 45%
Dew Point 76° 76° 77° 75° 74° 74° 73° 72°
Middle Grid line 100 F 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

Temperature History - Jul 25

more Historical Weather Data >
  Today Normal Record 7/25/2015
High 98° 89° N/A 90°
Low 73° 68° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 14:24 of sunlight, then sets at 8:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:44 PM with 21:25 of moolight, then sets at 12:10 PM

Frederick Weather Report

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

July 24, 2016; 7:27 AM ET

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

Mon. Sinus Headache

Mon. UV Index