• Tonight

    Jul 13

    Lo 70°

    Heavy evening thunderstorms

    Asthma Weather
    • Hi
      RealFeel
      102°
    • UV
      6 - High
    • Air Qual.
      Good
  • Mon

    Jul 14

    89°Lo 69°

    Strong t-storms, mainly later

    At High Risk weather for asthma
    • Hi
      RealFeel
      101°
    • UV
      7 - High
    • Air Qual.
      Moderate
    more
  • Tue

    Jul 15

    85°Lo 60°

    Heavy t-storms; mostly cloudy

    At Risk weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      6 - High
    • Air Qual.
      Good
    more
  • Wed

    Jul 16

    81°Lo 58°

    Partly sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      86°
    • UV
      7 - High
    • Cloud
      Cover
      45%
    more
  • Thu

    Jul 17

    82°Lo 60°

    Partly sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      89°
    • UV
      7 - High
    • Cloud
      Cover
      33%
    more
Next Previous
Hi 90° RealFeel® 102° Precipitation 35%

Day

N

E

S

W

  • SW 6 mph
  • Gusts: 15 mph

Turning cloudy and humid

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 70° RealFeel® 68° Precipitation 75%

Night

N

E

S

W

  • SW 3 mph
  • Gusts: 29 mph

Heavy evening t-storms; a couple of t-storms late; storms can bring downpours and damaging winds

  • Max UV Index: N/A
  • Thunderstorms: 90%
  • Precipitation: 0.83 in
  • Rain: 0.83 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 6 hrs
  • Hours of Rain: 6 hrs

Temperature History - Jul 13

more Historical Weather Data >
  Today Normal Record 7/13/2013
High 90° 89° N/A 84°
Low 70° 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

Top Story

Frederick Weather Report

DC Faces Two Days of Drenching, Severe Storms

July 13, 2014; 8:57 PM ET

Washington, D.C., faces not one, but two days of drenching and severe thunderstorms early this week. more >

Battling the Common Cold

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

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index