• Sat

    Sep 17

    76°Lo 54°

    Overcast

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      8 mph
    more
  • Sun

    Sep 18

    77°Lo 53°

    Overcast with a little rain

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      77°
    • Wind
      Speed
      5 mph
  • Mon

    Sep 19

    74°Lo 53°

    Afternoon rain

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      61°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      6 mph
    more
  • Tue

    Sep 20

    74°Lo 52°

    Abundant sunshine

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      7 mph
    more
  • Wed

    Sep 21

    71°Lo 50°

    Partly sunny

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      70°
    • Wind
      Speed
      7 mph
    more
Next Previous
Hi 77° RealFeel® 77° Precipitation 57%

Day

N

E

S

W

  • NNW 5 mph
  • Gusts: 12 mph

Plenty of clouds with a little rain

  • Max UV Index: 2 (Low)
  • Thunderstorms: 15%
  • Precipitation: 0.07 in
  • Rain: 0.07 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 53° RealFeel® 51° Precipitation 20%

Night

N

E

S

W

  • NNE 6 mph
  • Gusts: 9 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 3%
  • 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 18

more Historical Weather Data >
  Today Normal Record 9/18/2015
High 77° 73° 83° (1991) 82°
Low 53° 49° 38° (1990) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:05 AM with 12:19 of sunlight, then sets at 7:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:51 PM with 13:25 of moolight, then sets at 10:16 AM

Washington Weather Report

September to start on cooler, less humid note in northeastern US

August 28, 2016; 11:28 AM ET

Brief relief from heat and humidity will arrive in the northeastern United States at the start of September. more >