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  • Thu

    Jul 31

    Mostly sunny 27°Lo 18°
  • Fri

    Aug 1

    Cloudy 29°Lo 19°
    more
  • Sat

    Aug 2

    Some sun, a t-storm in spots 26°Lo 18°
    more
  • Sun

    Aug 3

    Plenty of clouds 24°Lo 16°
    more
  • Mon

    Aug 4

    Sunshine 23°Lo 14°
    more
Hi 27° RealFeel® 27° Precipitation 10%

Day

N

E

S

W

  • WNW 16 km/h
  • Gusts: 32 km/h

Mostly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 2%
  • 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® 18° Precipitation 20%

Night

N

E

S

W

  • N 6 km/h
  • Gusts: 21 km/h

Mainly clear

  • 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 - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 27° 27° N/A 23°
Low 18° 16° N/A 17°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:06 AM with 14:34 of sunlight, then sets at 8:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:41 AM with 12:01 of moolight, then sets at 10:42 PM

Top Story

St. Catharines Weather Report

Long-Range Pattern Update

July 11, 2014; 11:05 AM ET

Pattern of extremes into next week and a look at August. more >