• Tonight

    Sep 16

    Lo 5°

    Clear to partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      11°
    • Hi
      RealFeel
      17°
    • Wind
      Speed
      13 k/h
    more
  • Wed

    Sep 17

    17°Lo 5°

    Some sun, then clouds

    Poor for home energy
    • Avg
      RealFeel
      11°
    • Hi
      RealFeel
      20°
    • Wind
      Speed
      6 k/h
  • Thu

    Sep 18

    13°Lo 1°

    Mostly sunny and cooler

    Home Energy Efficiency Weather
    • Avg
      RealFeel
    • Hi
      RealFeel
      14°
    • Wind
      Speed
      11 k/h
    more
  • Fri

    Sep 19

    16°Lo 7°

    Mostly sunny and pleasant

    Poor for home energy
    • Avg
      RealFeel
      12°
    • Hi
      RealFeel
      18°
    • Wind
      Speed
      6 k/h
    more
  • Sat

    Sep 20

    22°Lo 16°

    Mostly cloudy and breezy

    Poor for home energy
    • Avg
      RealFeel
      16°
    • Hi
      RealFeel
      20°
    • Wind
      Speed
      19 k/h
    more
Next Previous
Hi 17° RealFeel® 20° Precipitation 25%

Day

N

E

S

W

  • WNW 6 km/h
  • Gusts: 14 km/h

Some sun, then increasing clouds

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 1%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 5° RealFeel® 2° Precipitation 63%

Night

N

E

S

W

  • NW 10 km/h
  • Gusts: 18 km/h

Cloudy most of the time with a little rain; cold

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 4 mm
  • Rain: 4 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 17° 19° 30° (1942) 18°
Low -1° (1950)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 12:27 of sunlight, then sets at 7:11 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:31 AM with 14:59 of moolight, then sets at 3:30 PM

Top Story

Stittsville Weather Report

Widespread Frost, Killing Freeze to Seize Northeast Late This Week

September 16, 2014; 6:46 PM ET

The chilliest air of the season so far will settle over much of the Northeast Thursday into Friday and will bring frost to more areas than experienced frost early this week. more >