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  • Wed

    Aug 31

    Nice with plenty of sunshine 25°Lo 17°
    more
  • Thu

    Sep 1

    Partly sunny 22°Lo 15°
    more
  • Fri

    Sep 2

    A p.m. t-storm possible 22°Lo 17°
    more
  • Sat

    Sep 3

    Mostly cloudy 24°Lo 18°
  • Sun

    Sep 4

    A blend of sun and clouds 25°Lo 19°
    more
Hi 24° RealFeel® 24° Precipitation 25%

Day

N

E

S

W

  • E 13 km/h
  • Gusts: 33 km/h

Mostly cloudy

  • Max UV Index: 4 (Moderate)
  • Thunderstorms: 18%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 18° RealFeel® 14° Precipitation 97%

Night

N

E

S

W

  • ENE 17 km/h
  • Gusts: 24 km/h

Overcast with showers

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 14 mm
  • Rain: 14 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 7 hrs
  • Hours of Rain: 7 hrs

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2015
High 24° 23° N/A 27°
Low 18° 13° N/A 22°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:44 AM with 13:03 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:52 AM with 12:10 of moolight, then sets at 9:02 PM

St. Catharines Weather Report

Weekly long range update through September

August 26, 2016; 11:42 AM ET

Keep the pools open! Warmth to prevail in the East for the next few weeks. more >