• Today

    May 23

    14°Lo 4°

    Cooler with a few showers

    At High Risk weather for asthma
    • Hi
      RealFeel
      12°
    • UV
      3 - Moderate
    • Air Qual.
      Good
  • Fri

    May 24

    12°Lo 1°

    Mostly sunny and breezy

    Beneficial weather for asthma
    • Hi
      RealFeel
      10°
    • UV
      8 - Very High
    • Air Qual.
      Good
    more
  • Sat

    May 25

    16°Lo 1°

    Partly sunny and cool

    Beneficial weather for asthma
    • Hi
      RealFeel
      17°
    • UV
      7 - High
    • Air Qual.
      Good
    more
  • Sun

    May 26

    17°Lo 1°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      19°
    • UV
      8 - Very High
    • Cloud
      Cover
      12%
    more
  • Mon

    May 27

    21°Lo 5°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      24°
    • UV
      7 - High
    • Cloud
      Cover
      19%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Mostly Cloudy
Showers
Showers
Mostly Cloudy
Showers
Temp (°C) 16° 15° 14° 14° 13° 11° 10°
RealFeel® 14° 13° 12° 12° 10°
Humidity 81% 85% 84% 76% 75% 77% 76% 73%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
9%
 
13%
 
43%
 
47%
 
51%
 
60%
 
49%
 
60%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (km/h) 13 WSW 13 WSW 13 WSW 16 WSW 21 W 23 NNW 26 N 27 N
UV Index 0 0 1 1 2 3 3 3
Cloud Cover 78% 87% 68% 77% 88% 85% 89% 92%
Dew Point 13° 12° 12° 10°
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2012
High 14° 20° N/A 24°
Low N/A

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 14:55 of sunlight, then sets at 8:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:23 PM with 10:07 of moolight, then sets at 5:30 AM

Top Story

Sarnia Weather Report

Update on Severe T-storm and Alberta Rainfall Potential

May 22, 2013; 3:02 PM ET

We have potential severe weather in the East this evening and the potential for heavy rainfall Thursday and Friday for parts of Alberta. more >