• Early AM

    Sep 20

    Lo 10°

    Partly cloudy

    Sinus Headache Weather
    • Hi
      RealFeel
      18°
    • UV
      5 - Moderate
    • Cloud
      Cover
      20%
    more
  • Today

    Sep 20

    25°Lo 16°

    Showers and a heavier t-storm

    Neutral weather for sinus headaches
    • Hi
      RealFeel
      22°
    • UV
      4 - Moderate
    • Cloud
      Cover
      62%
  • Sun

    Sep 21

    20°Lo 8°

    A couple of showers

    Beneficial weather for sinus headaches
    • Hi
      RealFeel
      20°
    • UV
      3 - Moderate
    • Cloud
      Cover
      74%
    more
  • Mon

    Sep 22

    14°Lo 7°

    Cooler with clouds and sun

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      13°
    • UV
      4 - Moderate
    • Cloud
      Cover
      46%
    more
  • Tue

    Sep 23

    20°Lo 8°

    Partly sunny and warmer

    At Risk weather for sinus headaches
    • Hi
      RealFeel
      20°
    • UV
      4 - Moderate
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Partly Sunny
Partly Sunny
Partly Sunny
Temp (°C) 11° 12° 13° 13° 13° 14° 16° 18°
RealFeel® 11° 14° 17°
Humidity 91% 85% 81% 85% 88% 72% 66% 61%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
5%
 
5%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (km/h) 14 S 19 S 24 S 22 S 22 S 14 S 16 SSW 19 SSW
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 10% 13% 18% 22% 29% 38% 45% 45%
Dew Point 10° 10° 10° 11° 11° 10° 11°
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C

Temperature History - Sep 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 25° 20° N/A 28°
Low 16° 10° N/A 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:14 AM with 12:17 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:49 AM with 13:48 of moolight, then sets at 5:37 PM

Top Story

Sarnia Weather Report

Recent Chill a Possible Sign of an Early Winter?

September 19, 2014; 12:51 PM ET

Do recent cold weather events signal an early winter for Canada? more >