• Tonight

    Sep 21

    Lo 59°

    A thunderstorm in spots early

    Asthma Weather
    • Hi
      RealFeel
      88°
    • UV
      5 - Moderate
    • Air Qual.
      Moderate
  • Mon

    Sep 22

    73°Lo 47°

    Mostly sunny and not as warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      71°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Tue

    Sep 23

    71°Lo 50°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      74°
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Wed

    Sep 24

    74°Lo 57°

    Sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      76°
    • UV
      5 - Moderate
    • Cloud
      Cover
      0%
    more
  • Thu

    Sep 25

    73°Lo 54°

    Partly sunny and nice

    Beneficial weather for asthma
    • Hi
      RealFeel
      74°
    • UV
      4 - Moderate
    • Cloud
      Cover
      46%
    more
Next Previous
Hi 84° RealFeel® 88° Precipitation 25%

Day

N

E

S

W

  • W 3 mph
  • Gusts: 12 mph

Very warm with times of clouds and sun

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 22%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 59° RealFeel® 54° Precipitation 40%

Night

N

E

S

W

  • WNW 4 mph
  • Gusts: 10 mph

A shower or thunderstorm in spots this evening; otherwise, partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 40%
  • Precipitation: 0.05 in
  • Rain: 0.05 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 84° 76° N/A 79°
Low 59° 57° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:54 AM with 12:13 of sunlight, then sets at 7:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:27 AM with 13:14 of moolight, then sets at 5:41 PM

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September 21, 2014; 4:44 AM ET

In keeping with tradition, temperatures will continue their up-and-down cycle during the second half of September around Washington, D.C. more >

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Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index