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  • Sat

    Aug 2

    Mostly cloudy with a t-storm 25°Lo 16°
    more
  • Sun

    Aug 3

    Partly sunny and nice 25°Lo 17°
  • Mon

    Aug 4

    Clouds and sun 26°Lo 13°
    more
  • Tue

    Aug 5

    Sun and some clouds 24°Lo 13°
    more
  • Wed

    Aug 6

    Sunshine and patchy clouds 25°Lo 17°
    more
Hi 25° RealFeel® 29° Precipitation 21%

Day

N

E

S

W

  • SE 6 km/h
  • Gusts: 11 km/h

Partly sunny and nice

  • Max UV Index: 7 (High)
  • Thunderstorms: 5%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 17° RealFeel® 16° Precipitation 8%

Night

N

E

S

W

  • SSW 5 km/h
  • Gusts: 11 km/h

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 5%
  • 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 25° 27° N/A 25°
Low 17° 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

Long Range Forecast Model Update into August

July 28, 2014; 11:50 PM ET

Here is my latest interpretation of the ECMWF weekly long range forecast model through the 3rd week of August. more >