1 - 5 of 30 days | All 30 days
Next 5 Days

  • Early AM

    May 19

    Partly cloudy Lo 10°
    more

  • Today

    May 19

    Times of clouds and sun 25°Lo 13°
    more

  • Mon

    May 20

    Mostly cloudy and comfortable 27°Lo 16°
    more

  • Tue

    May 21

    Some rain and a thunderstorm 26°Lo 12°

  • Wed

    May 22

    A couple of thunderstorms 21°Lo 13°
    more

Thunderstorms in the area tomorrow evening through Tuesday afternoon Details >

Hi 26° RealFeel® 29° Precipitation 56%

Day

N

E

S

W

  • S 11 km/h
  • Gusts: 19 km/h

Mostly cloudy with occasional rain and a thunderstorm

  • Max UV Index: 6 (High)
  • Thunderstorms: 60%
  • Precipitation: 6 mm
  • Rain: 6 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 4 hrs
  • Hours of Rain: 4 hrs
Lo 12° RealFeel® 11° Precipitation 71%

Night

N

E

S

W

  • E 6 km/h
  • Gusts: 13 km/h

Cloudy with a couple of showers, mainly early

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 4 mm
  • Rain: 4 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 26° 19° 32° (1977) 24°
Low 12° 8° -3° (1967) 13°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:52 of sunlight, then sets at 8:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:43 PM with 11:43 of moolight, then sets at 3:26 AM

Top Story

Waterloo Weather Report

The Summer Outlook for Canada

May 18, 2013; 9:44 AM ET

The Accuweather.com summer forecast for Canada. more >