• Tonight

    May 20

    Lo 12°

    A touch of late-night rain

    Sinus Headache Weather
    • Hi
      RealFeel
      23°
    • UV
      5 - Moderate
    • Cloud
      Cover
      92%
    more

  • Tue

    May 21

    18°Lo 13°

    Mostly cloudy, showers around

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      17°
    • UV
      2 - Low
    • Cloud
      Cover
      90%
    more

  • Wed

    May 22

    25°Lo 12°

    Warmer with a little rain

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      26°
    • UV
      3 - Moderate
    • Cloud
      Cover
      90%
    more

  • Thu

    May 23

    18°Lo 4°

    Cooler with a touch of rain

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      18°
    • UV
      4 - Moderate
    • Cloud
      Cover
      87%

  • Fri

    May 24

    18°Lo 6°

    Chance of a shower

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      19°
    • UV
      7 - High
    • Cloud
      Cover
      48%
    more
Next Previous
A chance of rain 18° Lo 15° RealFeel® 18° / 13°

N

E

S

W

  • Precipitation: 55%
  • Rain: 0 mm
  • Snow: 0 CM
  • Humidity: 65%
  • Cloud Cover: 77%
  • Dew Point: 9° C
  • Visibility: 10 km
13 km/h

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2012
High 18° 20° 32° (1975) 23°
Low 4° 9° 2° (1967) 13°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:25 AM with 15:10 of sunlight, then sets at 8:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:01 PM with 9:55 of moolight, then sets at 4:56 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 >