• Tonight

    Aug 20

    Lo 17°

    Cloudy with a shower

    Sinus Headache Weather
    • Hi
      RealFeel
      26°
    • UV
      6 - High
    • Cloud
      Cover
      76%
    more
  • Thu

    Aug 21

    21°Lo 15°

    Cloudy and humid with showers

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      22°
    • UV
      3 - Moderate
    • Cloud
      Cover
      95%
  • Fri

    Aug 22

    24°Lo 14°

    Clouds and sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      25°
    • UV
      4 - Moderate
    • Cloud
      Cover
      51%
    more
  • Sat

    Aug 23

    25°Lo 13°

    Periods of sun with a shower

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      27°
    • UV
      6 - High
    • Cloud
      Cover
      46%
    more
  • Sun

    Aug 24

    24°Lo 16°

    Intervals of clouds and sun

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      26°
    • UV
      5 - Moderate
    • Cloud
      Cover
      69%
    more
Next Previous
Showers 21° Lo 18° RealFeel® 22° / 16°

N

E

S

W

  • Precipitation: 65%
  • Rain: 1 mm
  • Snow: 0 CM
  • Humidity: 91%
  • Cloud Cover: 95%
  • Dew Point: 18° C
  • Visibility: 9 km
11 km/h

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 21° 24° 33° (1955) 31°
Low 15° 13° (1940) 17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:50 of sunlight, then sets at 8:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:35 AM with 14:57 of moolight, then sets at 5:32 PM

Top Story

Nepean Weather Report

Weather Pattern Highlights Into Next Week

August 20, 2014; 10:27 AM ET

A look at the weather pattern across Canada into next week. more >