• Tonight

    May 20

    Lo 7°

    Partly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
  • Tue

    May 21

    21°Lo 5°

    Windy with clouds and sun

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Wed

    May 22

    14°Lo 6°

    Cooler with spotty showers

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Thu

    May 23

    11°Lo 6°

    Variable clouds with showers

    Extreme indoor dust & dander levels
    • Precip
      100%
    • Wind
      Speed
      10 k/h
    • Cloud
      Cover
      90%
    more
  • Fri

    May 24

    16°Lo 6°

    Warmer with a thunderstorm

    High indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      76%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
10pm
11pm Tue
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Mostly Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°C) 13° 11° 10° 10°
RealFeel®
Humidity 67% 75% 80% 81% 83% 84% 87% 84%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
47%
 
17%
 
17%
 
12%
 
2%
 
2%
 
2%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (km/h) 24 S 23 S 19 S 16 S 14 S 13 S 11 S 11 S
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 88% 91% 87% 77% 75% 79% 76% 76%
Dew Point
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - May 20

more Historical Weather Data >
  Today Normal Record 5/20/2012
High 20° 17° 31° (1897) 18°
Low -5° (1987)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:39 AM with 15:48 of sunlight, then sets at 9:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:09 PM with 11:26 of moolight, then sets at 3:35 AM

Top Story

Calgary Weather Report

The Summer Outlook for Canada

May 20, 2013; 2:44 PM ET

The Accuweather.com summer forecast for Canada. more >