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Next 5 Days
  • Tonight

    Sep 17

    Occasional rain Lo 4°
    more
  • Thu

    Sep 18

    Clearing and cool 12°Lo -1°
    more
  • Fri

    Sep 19

    Mostly sunny and pleasant 14°Lo 6°
  • Sat

    Sep 20

    Showers around in the p.m. 20°Lo 14°
    more
  • Sun

    Sep 21

    Mostly cloudy, showers around 21°Lo 8°
    more
Hi 14° RealFeel® 16° Precipitation 0%

Day

N

E

S

W

  • SSE 8 km/h
  • Gusts: 16 km/h

Mostly sunny and pleasant

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 6° RealFeel® 5° Precipitation 25%

Night

N

E

S

W

  • SSW 10 km/h
  • Gusts: 24 km/h

Increasing cloudiness; rising temperatures late

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

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 14° 19° 31° (1946) 25°
Low (1943)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:46 AM with 12:21 of sunlight, then sets at 7:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:19 AM with 14:23 of moolight, then sets at 4:42 PM

Top Story

Ottawa Weather Report

Long Winter Nights, Dry Air Increase Chance to View Aurora

September 17, 2014; 11:06 PM ET

Igniting across Northern skies, ghostly rivers of light dance overhead each year, emitting vibrant shades of green, blue, pink, red and violet. more >