• Today

    Sep 19

    18°Lo 12°

    Partly sunny

    Low indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      10 k/h
    • Cloud
      Cover
      36%
  • Sat

    Sep 20

    25°Lo 16°

    Showers late in the afternoon

    Low indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      23 k/h
    • Cloud
      Cover
      68%
    more
  • Sun

    Sep 21

    22°Lo 9°

    A couple of thunderstorms

    Low indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      24 k/h
    • Cloud
      Cover
      92%
    more
  • Mon

    Sep 22

    15°Lo 10°

    Mostly cloudy and cooler

    Low indoor dust & dander levels
    • Precip
      1%
    • Wind
      Speed
      19 k/h
    • Cloud
      Cover
      70%
    more
  • Tue

    Sep 23

    20°Lo 9°

    A couple of showers

    Low indoor dust & dander levels
    • Precip
      60%
    • Wind
      Speed
      13 k/h
    • Cloud
      Cover
      73%
    more
Next Previous
Hi 18° RealFeel® 19° Precipitation 0%

Day

N

E

S

W

  • ESE 10 km/h
  • Gusts: 16 km/h

Partly sunny; pleasant this afternoon

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 0%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 12° RealFeel® 8° Precipitation 1%

Night

N

E

S

W

  • SSW 24 km/h
  • Gusts: 34 km/h

Partly cloudy and breezy

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

Temperature History - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 18° 21° N/A 24°
Low 12° 11° N/A 14°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:01 AM with 12:19 of sunlight, then sets at 7:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:39 AM with 14:13 of moolight, then sets at 4:52 PM

Top Story

St. Catharines Weather Report

Recent Chill a Possible Sign of an Early Winter?

September 19, 2014; 12:51 PM ET

Do recent cold weather events signal an early Winter for Canada? more >