• Tonight

    Apr 21

    Lo 1°

    Partly cloudy and chilly

    Construction Weather
    • Precip
      72%
    • Hours of Precip
      3.5
    • Hi
      RealFeel
  • Wed

    Apr 22

    12°Lo 0°

    A couple of showers

    Poor for outdoor DIY projects
    • Precip
      61%
    • Hours of Precip
      2
    • Hi
      RealFeel
      12°
    more
  • Thu

    Apr 23

    9°Lo 0°

    Showers of rain and snow

    Poor for outdoor DIY projects
    • Precip
      56%
    • Hours of Precip
      2
    • Hi
      RealFeel
    more
  • Fri

    Apr 24

    9°Lo 2°

    Breezy with periods of sun

    Fair for outdoor DIY projects
    • Precip
      25%
    • Hours of Precip
      0
    • Hi
      RealFeel
    more
  • Sat

    Apr 25

    13°Lo 3°

    An afternoon shower or two

    Good for outdoor DIY projects
    • Precip
      55%
    • Hours of Precip
      1
    • Hi
      RealFeel
      11°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Rain
Cloudy
Rain
Showers
Cloudy
Mostly Cloudy
Showers
Mostly Cloudy
Temp (°C) 10° 10° 11° 10° 10° 11° 10°
RealFeel®
Humidity 70% 64% 61% 59% 59% 61% 59% 59%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
57%
 
49%
 
51%
 
40%
 
37%
 
37%
 
40%
 
37%
Snow
 
1%
 
1%
 
1%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (km/h) 24 WSW 20 WSW 17 SW 20 SW 20 WSW 20 WSW 26 SW 18 W
UV Index 2 3 2 2 2 2 1 1
Cloud Cover 100% 100% 99% 93% 93% 84% 93% 75%
Dew Point
Middle Grid line 15 C Middle Grid line 10 C Middle Grid line 5 C

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 11° 12° 29° (1987) 19°
Low -8° (1981)

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:49 of sunlight, then sets at 7:57 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:19 AM with 15:02 of moolight, then sets at 11:21 PM

Chelsea 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 >