• Today

    Apr 17

    58°Lo 33°

    Warmer with sun, some clouds

    Very Good for biking
    • Precip
      5%
    • Hours of Precip
      0
    • Wind
      Gust
      13 mph
    more
  • Fri

    Apr 18

    58°Lo 38°

    Some sun, then clouds

    Excellent for biking
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      6 mph
  • Sat

    Apr 19

    66°Lo 37°

    Times of sun and clouds

    Excellent for biking
    • Precip
      14%
    • Hours of Precip
      0
    • Wind
      Gust
      13 mph
    more
  • Sun

    Apr 20

    66°Lo 36°

    Intervals of clouds and sun

    Excellent for biking
    • Precip
      4%
    • Hours of Precip
      0
    • Wind
      Gust
      8 mph
    more
  • Mon

    Apr 21

    74°Lo 43°

    Some sun

    Excellent for biking
    • Precip
      11%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
Next Previous
Hi 58° RealFeel® 65° Precipitation 6%

Day

N

E

S

W

  • SE 3 mph
  • Gusts: 6 mph

Some sunshine giving way to clouds

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 38° RealFeel® 39° Precipitation 23%

Night

N

E

S

W

  • N 2 mph
  • Gusts: 4 mph

Mostly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 58° 69° N/A 75°
Low 38° 46° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 13:21 of sunlight, then sets at 7:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:33 PM with 10:11 of moolight, then sets at 9:44 AM

Top Story

Frederick Weather Report

DC: Gradual Turn to Milder Weather into Easter Weekend

April 17, 2014; 4:40 AM ET

The return of noticeably milder air to Washington, D.C., will coincide with this Easter weekend. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.