• Tonight

    Jul 23

    Lo 70°

    Mainly cloudy with a shower

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
  • Thu

    Jul 24

    81°Lo 60°

    Cooler with clouds breaking

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Jul 25

    84°Lo 61°

    Sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Jul 26

    88°Lo 69°

    Sun mixing with clouds

    Low ragweed pollen levels
    • Precip
      12%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      28%
    more
  • Sun

    Jul 27

    90°Lo 68°

    A thunderstorm possible

    Ragweed Pollen Weather
    • Precip
      30%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      49%
    more
Next Previous
Hi 95° RealFeel® 111° Precipitation 60%

Day

N

E

S

W

  • SW 5 mph
  • Gusts: 14 mph

A couple of strong t-storms late this afternoon; otherwise, sun mixing with clouds, hot and humid

  • Max UV Index: 7 (High)
  • Thunderstorms: 95%
  • Precipitation: 0.16 in
  • Rain: 0.16 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs
Lo 70° RealFeel® 70° Precipitation 60%

Night

N

E

S

W

  • NNW 2 mph
  • Gusts: 5 mph

Mainly cloudy with a shower

  • Max UV Index: N/A
  • Thunderstorms: 29%
  • Precipitation: 0.2 in
  • Rain: 0.2 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Frederick Pollen Levels - July 23

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2013
High 95° 89° N/A 86°
Low 70° 68° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:02 AM with 14:29 of sunlight, then sets at 8:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:20 AM with 14:37 of moolight, then sets at 5:57 PM

Top Story

Frederick Weather Report

DC: Another Cooldown to Follow Midweek Storms

July 23, 2014; 6:12 PM ET

Fresh cooler and less humid air will settle over the Boston area for Thursday and Friday. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps