• Sun

    Jul 20

    91°Lo 67°

    Partial sunshine

    Frizz Forecast Weather
    • Wind
      Gust
      3 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Mon

    Jul 21

    90°Lo 67°

    Partial sunshine

    Frizz Forecast Weather
    • Wind
      Gust
      5 mph
    • Precip
      9%
    • Hours of Precip
      0
    more
  • Tue

    Jul 22

    90°Lo 69°

    A stray afternoon t-storm

    Frizz Forecast Weather
    • Wind
      Gust
      10 mph
    • Precip
      40%
    • Hours of Precip
      0.5
    more
  • Wed

    Jul 23

    90°Lo 72°

    A strong thunderstorm

    Frizz Forecast Weather
    • Wind
      Gust
      16 mph
    • Precip
      56%
    • Hours of Precip
      3.5
  • Thu

    Jul 24

    97°Lo 76°

    Cloudy and warmer

    Frizz Forecast Weather
    • Wind
      Gust
      18 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
Next Previous
Hi 90° RealFeel® 102° Precipitation 56%

Day

N

E

S

W

  • SSW 5 mph
  • Gusts: 16 mph

Mostly cloudy with a strong thunderstorm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 95%
  • Precipitation: 0.38 in
  • Rain: 0.38 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 72° RealFeel® 75° Precipitation 40%

Night

N

E

S

W

  • SW 4 mph
  • Gusts: 9 mph

Humid; watch for a strong evening thunderstorm followed by a thunderstorm in parts of the area late

  • Max UV Index: N/A
  • Thunderstorms: 95%
  • Precipitation: 0.14 in
  • Rain: 0.14 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs

Temperature History - Jul 23

more Historical Weather Data >
  Today Normal Record 7/23/2013
High 90° 89° N/A 86°
Low 72° 68° N/A 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:01 AM with 14:30 of sunlight, then sets at 8:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:19 AM with 14:38 of moolight, then sets at 5:57 PM

Top Story

Frederick Weather Report

DC: Typical Warmth, Spotty Storms Forecast for Weekend

July 10, 2014; 4:47 AM ET

After the intensity and number of thunderstorms diminish into Friday, the weekend will bring fairly typical warmth and humidity for the middle of July around Washington, D.C. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.