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  • Today

    Sep 19

    Clearing; breezy in the p.m. 21°Lo 12°
    more
  • Sat

    Sep 20

    Partly sunny, a shower or two 18°Lo 7°
  • Sun

    Sep 21

    Pleasant and warmer 21°Lo 8°
    more
  • Mon

    Sep 22

    Mostly sunny 23°Lo 10°
    more
  • Tue

    Sep 23

    Partly sunny and pleasant 24°Lo 11°
    more
< Previous 8 hours Next 8 hours >
  Sat
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Showers
Partly Cloudy
Showers
Showers
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°C) 12° 12° 12° 12° 13° 15° 16° 17°
RealFeel® 10° 12° 14° 15°
Humidity 66% 66% 64% 61% 54% 53% 48% 43%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
51%
 
43%
 
55%
 
55%
 
49%
 
33%
 
33%
 
36%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (km/h) 14 W 14 W 18 WNW 19 WNW 21 WNW 22 WNW 24 WNW 26 NW
UV Index 0 0 0 1 2 3 4 4
Cloud Cover 45% 39% 36% 32% 28% 26% 26% 26%
Dew Point
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 18° 18° N/A 15°
Low N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:28 AM with 12:19 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:54 AM with 14:09 of moolight, then sets at 6:03 PM

Top Story

Reston Weather Report

Recent Chill a Possible Sign of an Early Winter?

September 19, 2014; 12:51 PM ET

Do recent cold weather events signal an early winter for Canada? more >