• Today

    Jul 31

    30°Lo 18°

    Partly sunny

    Beneficial weather for migraines
    • Hi
      RealFeel
      33°
    • UV
      5 - High
    • Cloud
      Cover
      39%
    more
  • Sat

    Aug 1

    26°Lo 17°

    Partly sunny with a t-storm

    Beneficial weather for migraines
    • Hi
      RealFeel
      27°
    • UV
      5 - High
    • Cloud
      Cover
      35%
    more
  • Sun

    Aug 2

    28°Lo 20°

    A t-storm in the afternoon

    Beneficial weather for migraines
    • Hi
      RealFeel
      27°
    • UV
      4 - Moderate
    • Cloud
      Cover
      70%
  • Mon

    Aug 3

    26°Lo 17°

    A shower and t-storm around

    Beneficial weather for migraines
    • Hi
      RealFeel
      27°
    • UV
      4 - Moderate
    • Cloud
      Cover
      76%
    more
  • Tue

    Aug 4

    25°Lo 15°

    Partly sunny, breezy and nice

    Beneficial weather for migraines
    • Hi
      RealFeel
      25°
    • UV
      4 - Moderate
    • Cloud
      Cover
      68%
    more
Next Previous
Hi 28° RealFeel® 27° Precipitation 63%

Day

N

E

S

W

  • WSW 20 km/h
  • Gusts: 35 km/h

Variable cloudiness; breezy in the afternoon with a shower or thunderstorm

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 60%
  • Precipitation: 6 mm
  • Rain: 6 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 20° RealFeel® 16° Precipitation 67%

Night

N

E

S

W

  • SW 18 km/h
  • Gusts: 33 km/h

Partly cloudy with a shower or thunderstorm around

  • Max UV Index: N/A
  • Thunderstorms: 60%
  • Precipitation: 17 mm
  • Rain: 17 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Aug 2

more Historical Weather Data >
  Today Normal Record 8/2/2014
High 28° 27° N/A 24°
Low 20° 16° N/A 18°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 14:30 of sunlight, then sets at 8:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:57 PM with 12:03 of moolight, then sets at 10:00 AM

St. Catharines Weather Report

Weekly Clues through the End of August

July 30, 2015; 9:54 PM ET

Some forecast model clues through the end of August and an update on global sea surface temperatures. more >