• Today

    Apr 17

    57°Lo 33°

    Mostly sunny and warmer

    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
  • Sat

    Apr 19

    69°Lo 37°

    Partly sunny and warmer

    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%
    more
  • 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 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

Frederick Pollen Levels - April 18

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

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: Turn to Milder Weather Into Easter Weekend

April 17, 2014; 1:00 PM 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?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps