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  • Sun

    Aug 3

    Cloudy with a thunderstorm 26°Lo 18°
  • Mon

    Aug 4

    Considerable clouds 27°Lo 20°
    more
  • Tue

    Aug 5

    Overcast with a few showers 26°Lo 19°
    more
  • Wed

    Aug 6

    A morning shower in places 28°Lo 18°
    more
  • Thu

    Aug 7

    Brilliant sunshine 29°Lo 18°
    more
Hi 26° RealFeel® 28° Precipitation 55%

Day

N

E

S

W

  • SE 3 km/h
  • Gusts: 13 km/h

Plenty of clouds with a shower or thunderstorm around

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 40%
  • Precipitation: 3 mm
  • Rain: 3 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1.5 hrs
  • Hours of Rain: 1.5 hrs
Lo 18° RealFeel® 18° Precipitation 12%

Night

N

E

S

W

  • ESE 2 km/h
  • Gusts: 10 km/h

Plenty of clouds

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

Temperature History - Aug 3

more Historical Weather Data >
  Today Normal Record 8/3/2013
High 26° 27° N/A 25°
Low 18° 16° N/A 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 14:27 of sunlight, then sets at 8:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:42 PM with 10:35 of moolight, then sets at 12:17 AM

Top Story

St. Catharines Weather Report

Update on the Tornado Threat

July 23, 2014; 3:05 PM ET

Damaging thunderstorms and possible tornadoes for the western Prairie region Thursday. more >