• Tonight

    Jul 11

    Lo 65°

    Partly cloudy

    Arthritis Pain Weather
    • Rain
      0 in
    • Hours of Precip
      0
    • UV
      8 - Very High
    more
  • Sat

    Jul 12

    89°Lo 68°

    A p.m. t-storm in spots

    Beneficial weather for arthritis pain
    • Rain
      0.05 in
    • Hours of Precip
      0.5
    • UV
      7 - High
    more
  • Sun

    Jul 13

    91°Lo 71°

    Some sun, a t-storm or two

    At Risk weather for arthritis pain
    • Rain
      1.35 in
    • Hours of Precip
      8
    • UV
      7 - High
  • Mon

    Jul 14

    91°Lo 70°

    Showers and a heavier t-storm

    At Risk weather for arthritis pain
    • Rain
      1.00 in
    • Hours of Precip
      5.5
    • UV
      6 - High
    more
  • Tue

    Jul 15

    82°Lo 62°

    Heavy t-storms; mostly cloudy

    At High Risk weather for arthritis pain
    • Rain
      0.94 in
    • Hours of Precip
      6.5
    • UV
      4 - Moderate
    more
Next Previous
Hi 91° RealFeel® 102° Precipitation 68%

Day

N

E

S

W

  • SW 6 mph
  • Gusts: 11 mph

Intervals of clouds and sunshine, hot and more humid with a couple of thunderstorms around

  • Max UV Index: 7 (High)
  • Thunderstorms: 60%
  • Precipitation: 0.9 in
  • Rain: 0.9 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 71° RealFeel® 72° Precipitation 64%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 8 mph

Mainly cloudy with a couple of showers and a thunderstorm

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 0.45 in
  • Rain: 0.45 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs

Temperature History - Jul 13

more Historical Weather Data >
  Today Normal Record 7/13/2013
High 91° 89° N/A 84°
Low 71° 68° N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:44 of sunlight, then sets at 8:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:24 PM with 11:09 of moolight, then sets at 8:33 AM

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Frederick Weather Report

DC: Severe Storm, Flooding Threat to Precede Cooldown

July 11, 2014; 5:03 PM ET

After only spotty rainfall this weekend in the Washington, D.C., area, the risk of severe thunderstorms and flash flooding will ramp up quickly early next week. more >

Battling the Common Cold

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

Sun. Arthritis Pain

Sun. UV Index