• Early AM

    Apr 22

    Lo 2°

    Cloudy

    Asthma Weather
    • Hi
      RealFeel
    • UV
      3 - Moderate
    • Air Qual.
      Good
    more
  • Today

    Apr 22

    6°Lo -2°

    Cloudy, a shower; windy

    Neutral weather for asthma
    • Hi
      RealFeel
    • UV
      3 - Moderate
    • Air Qual.
      Good
  • Thu

    Apr 23

    6°Lo -4°

    An afternoon shower

    Beneficial weather for asthma
    • Hi
      RealFeel
    • UV
      5 - Moderate
    • Air Qual.
      Good
    more
  • Fri

    Apr 24

    7°Lo -3°

    Mostly sunny and chilly

    Beneficial weather for asthma
    • Hi
      RealFeel
    • UV
      6 - High
    • Cloud
      Cover
      24%
    more
  • Sat

    Apr 25

    7°Lo -2°

    Chilly with clouds and sun

    Beneficial weather for asthma
    • Hi
      RealFeel
    • UV
      5 - Moderate
    • Cloud
      Cover
      65%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°C)
RealFeel® -2° -3° -3° -6° -5° -4° -3°
Humidity 65% 69% 73% 76% 77% 77% 73% 78%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
21%
 
8%
 
8%
 
8%
 
8%
 
8%
 
12%
 
43%
Snow
 
0%
 
2%
 
2%
 
2%
 
2%
 
2%
 
1%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (km/h) 17 W 22 W 22 W 18 W 26 WSW 24 WSW 24 WSW 20 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 95% 96% 92% 92% 93% 94% 95% 95%
Dew Point -1° -1° -1° -2° -2° -2° -2° -1°
Middle Grid line 10 C Middle Grid line 5 C Middle Grid line 0 C

Temperature History - Apr 22

more Historical Weather Data >
  Today Normal Record 4/22/2014
High 13° N/A 14°
Low -3° N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:43 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:44 AM with 14:53 of moolight, then sets at 12:37 AM

Sarnia Weather Report

Update on Long Range

April 21, 2015; 12:03 PM ET

An update on the long range and a look at the overall pattern the rest of this week in Canada. more >