• Today

    May 21

    23°Lo 15°

    Some rain and a thunderstorm

    Fair for lawn mowing
    • Hours of Precip
      4
    • Precip
      55%
    • Hi
      RealFeel
      25°
  • Wed

    May 22

    22°Lo 13°

    A couple of thunderstorms

    Fair for lawn mowing
    • Hours of Precip
      5
    • Precip
      61%
    • Hi
      RealFeel
      23°
    more
  • Thu

    May 23

    17°Lo 4°

    A couple of t-storms; cooler

    Fair for lawn mowing
    • Hours of Precip
      5.5
    • Precip
      61%
    • Hi
      RealFeel
      16°
    more
  • Fri

    May 24

    13°Lo 4°

    Breezy with periods of sun

    Fair for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      12°
    more
  • Sat

    May 25

    17°Lo 5°

    Sunny and warmer

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      20°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
9pm
10pm 11pm Wed
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Cloudy
T-storms
T-storms
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°C) 18° 18° 18° 17° 17° 17° 16° 16°
RealFeel® 17° 15° 15° 16° 15° 15° 15° 14°
Humidity 90% 90% 90% 90% 89% 88% 89% 92%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
49%
 
53%
 
51%
 
47%
 
36%
 
20%
 
20%
 
20%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (km/h) 10 WSW 10 SSE 10 SE 8 S 8 SW 8 WSW 8 WSW 8 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 95% 93% 91% 90% 88% 86% 83% 80%
Dew Point 17° 16° 16° 15° 15° 15° 15° 15°
Middle Grid line 20 C Middle Grid line 15 C

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 23° 18° 32° (1941) 26°
Low 15° -1° (1895) 16°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:57 of sunlight, then sets at 8:43 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:47 PM with 11:07 of moolight, then sets at 3:54 AM

Top Story

Vaughan Weather Report

Severe Thunderstorm Threat Continues Wednesday

May 21, 2013; 3:42 PM ET

Potential for strong thunderstorms again Wednesday. more >