• Early AM

    May 21

    Lo 12°

    Periods of rain

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Today

    May 21

    18°Lo 12°

    Mostly cloudy with showers

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

    May 22

    20°Lo 16°

    Mostly cloudy, a little rain

    Very High indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
  • Thu

    May 23

    19°Lo 6°

    Mainly cloudy, a little rain

    Very High indoor dust & dander levels
    • Precip
      63%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      88%
    more
  • Fri

    May 24

    14°Lo 1°

    A shower around, mainly early

    Extreme indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      14 k/h
    • Cloud
      Cover
      65%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
4am
5am 6am 7am 8am 9am 10am 11am
  4am 5am 6am 7am 8am 9am 10am 11am
Forecast
Cloudy
Rain
Rain
Cloudy
Rain
Cloudy
Cloudy
Cloudy
Temp (°C) 12° 12° 12° 12° 13° 14° 15° 16°
RealFeel® 11° 11° 11° 12° 13° 14° 16° 18°
Humidity 93% 93% 93% 93% 93% 93% 93% 93%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Rain
 
43%
 
56%
 
56%
 
48%
 
51%
 
47%
 
43%
 
47%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  4am 5am 6am 7am 8am 9am 10am 11am
Wind (km/h) 6 N 3 NW 5 NW 5 NW 5 NW 5 SW 6 SSW 6 S
UV Index 0 0 0 0 0 1 2 2
Cloud Cover 96% 96% 96% 95% 95% 94% 93% 93%
Dew Point 11° 11° 11° 11° 12° 13° 14° 15°
Middle Grid line 20 C Middle Grid line 15 C Middle Grid line 10 C

Temperature History - May 22

more Historical Weather Data >
  Today Normal Record 5/22/2012
High 20° 20° 31° (1977) 22°
Low 16° (1967) 16°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:25 AM with 15:09 of sunlight, then sets at 8:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:47 PM with 10:25 of moolight, then sets at 4:12 AM

Top Story

Chelsea Weather Report

The Summer Outlook for Canada

May 20, 2013; 2:44 PM ET

The Accuweather.com summer forecast for Canada. more >