• Today

    May 21

    18°Lo 13°

    Mostly cloudy with showers

    Good for running
    • Precip
      65%
    • Hours of Precip
      5
    • Wind
      Gust
      35 k/h

  • Wed

    May 22

    22°Lo 12°

    Mostly cloudy, a little rain

    Good for running
    • Precip
      63%
    • Hours of Precip
      8.5
    • Wind
      Gust
      14 k/h
    more

  • Thu

    May 23

    19°Lo 4°

    Periods of rain

    Poor for running
    • Precip
      65%
    • Hours of Precip
      7.5
    • Wind
      Gust
      29 k/h
    more

  • Fri

    May 24

    15°Lo 2°

    A shower around, mainly early

    Good for running
    • Precip
      55%
    • Hours of Precip
      0.5
    • Wind
      Gust
      35 k/h
    more

  • Sat

    May 25

    17°Lo 3°

    Partly sunny

    Excellent for running
    • Precip
      1%
    • Hours of Precip
      0
    • Wind
      Gust
      23 k/h
    more
Next Previous
Hi 18° RealFeel® 17° Precipitation 65%

Day

N

E

S

W

  • E 19 km/h
  • Gusts: 35 km/h

Mostly cloudy with showers

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 2 mm
  • Rain: 2 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 13° RealFeel® 9° Precipitation 65%

Night

N

E

S

W

  • E 10 km/h
  • Gusts: 23 km/h

Periods of rain

  • Max UV Index: N/A
  • Thunderstorms: 24%
  • Precipitation: 6 mm
  • Rain: 6 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 3.5 hrs
  • Hours of Rain: 3.5 hrs

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 18° 20° 32° (1941) 29°
Low 13° 9° 0° (1967) 15°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:27 AM with 15:05 of sunlight, then sets at 8:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:33 PM with 11:03 of moolight, then sets at 3:36 AM

Top Story

Ottawa Weather Report

The Summer Outlook for Canada

May 20, 2013; 2:44 PM ET

The Accuweather.com summer forecast for Canada. more >