• Tonight

    Apr 30

    Lo 50°

    Rain; patchy late-night fog

    Sinus Headache Weather
    • Hi
      RealFeel
      62°
    • UV
      2 - Low
    • Cloud
      Cover
      99%
  • Sun

    May 1

    64°Lo 55°

    A touch of morning rain

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      64°
    • UV
      2 - Low
    • Cloud
      Cover
      99%
    more
  • Mon

    May 2

    77°Lo 51°

    Warmer; a few morning showers

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      76°
    • UV
      4 - Moderate
    • Cloud
      Cover
      81%
    more
  • Tue

    May 3

    60°Lo 47°

    A passing morning shower

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      68°
    • UV
      5 - High
    • Cloud
      Cover
      76%
    more
  • Wed

    May 4

    68°Lo 48°

    Rather cloudy

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      72°
    • UV
      4 - Moderate
    • Cloud
      Cover
      75%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8am
9am 10am 11am
  8am 9am 10am 11am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 49° 48° 48° 48°
RealFeel® 49° 44° 44° 45°
Humidity 93% 93% 93% 93%
   
  8am 9am 10am 11am
Rain
 
6%
 
6%
 
6%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am
Wind (mph) 5 ENE 8 N 8 N 8 ENE
UV Index 0 1 1 1
Cloud Cover 94% 100% 100% 100%
Dew Point 47° 46° 46° 46°
Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 30

more Historical Weather Data >
  Today Normal Record 4/30/2015
High 55° 72° N/A 73°
Low 50° 49° N/A 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:52 of sunlight, then sets at 8:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:17 AM with 10:50 of moolight, then sets at 1:07 PM

Frederick Weather Report

Rain to ease unusual northeastern US dryness but to put a damper on outdoor plans

April 30, 2016; 7:55 PM ET

Expanding rainfall will bring good news for unusually dry portions of the northeastern United States into the start of May. more >

Sat. Sinus Headache

Sat. UV Index