• Today

    Sep 1

    87°Lo 65°

    A thunderstorm in spots

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Tue

    Sep 2

    89°Lo 64°

    An afternoon thunderstorm

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Sep 3

    87°Lo 60°

    Turning sunny; less humid

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Sep 4

    88°Lo 64°

    Mostly sunny

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Sep 5

    90°Lo 66°

    Mostly sunny and more humid

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 87° RealFeel® 91° Precipitation 40%

Day

N

E

S

W

  • WSW 5 mph
  • Gusts: 10 mph

Humid with times of clouds and sun; a shower or thunderstorm in spots this afternoon

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 0.04 in
  • Rain: 0.04 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 65° RealFeel® 63° Precipitation 10%

Night

N

E

S

W

  • SW 2 mph
  • Gusts: 4 mph

Partly cloudy, warm and humid

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

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 87° N/A N/A 86°
Low 65° N/A N/A 68°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 13:03 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:23 PM with 10:21 of moolight, then sets at 11:44 PM

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Hancock Weather Report

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Labor Day weekend traditionally marks the unofficial end to summer, but the weather has another idea in mind around Washington, D.C., with a prolonged stretch of summer heat underway. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Mon. Snow Day Potential