• Today

    Apr 17

    58°Lo 33°

    Warmer with sun, some clouds

    High indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Apr 18

    58°Lo 38°

    Some sun, then clouds

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Apr 19

    66°Lo 37°

    Times of sun and clouds

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Apr 20

    66°Lo 36°

    Intervals of clouds and sun

    Low indoor dust & dander levels
    • Precip
      4%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      46%
  • Mon

    Apr 21

    74°Lo 43°

    Some sun

    Low indoor dust & dander levels
    • Precip
      11%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      45%
    more
Next Previous
Hi 66° RealFeel® 70° Precipitation 4%

Day

N

E

S

W

  • E 4 mph
  • Gusts: 8 mph

Intervals of clouds and sun

  • 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 36° RealFeel® 33° Precipitation 14%

Night

N

E

S

W

  • SE 5 mph
  • Gusts: 8 mph

Mainly clear and chilly

  • 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 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 66° 70° N/A 57°
Low 36° 46° N/A 37°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 13:26 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:30 AM with 10:14 of moolight, then sets at 10:44 AM

Top Story

Frederick Weather Report

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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 it a Cold or the Flu?

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Sun. Dust & Dander

Sun. Wind Maps