• Tonight

    Jul 9

    Lo 13°

    Partly cloudy

    Asthma Weather
    • Hi
      RealFeel
      23°
    • UV
      6 - High
    • Air Qual.
      Good
  • Thu

    Jul 10

    23°Lo 14°

    Mostly sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      27°
    • UV
      8 - Very High
    • Air Qual.
      Good
    more
  • Fri

    Jul 11

    24°Lo 16°

    Sunny and pleasant

    Beneficial weather for asthma
    • Hi
      RealFeel
      28°
    • UV
      8 - Very High
    • Air Qual.
      Good
    more
  • Sat

    Jul 12

    28°Lo 20°

    Partly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      32°
    • UV
      7 - High
    • Cloud
      Cover
      45%
    more
  • Sun

    Jul 13

    27°Lo 18°

    A thunderstorm or two

    Neutral weather for asthma
    • Hi
      RealFeel
      29°
    • UV
      6 - High
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 22° RealFeel® 23° Precipitation 35%

Day

N

E

S

W

  • WNW 11 km/h
  • Gusts: 26 km/h

Times of clouds and sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 20%
  • Precipitation: 0 mm
  • Rain: 0 mm
  • Snow: 0 CM
  • Ice: 0 mm
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 13° RealFeel® 12° Precipitation 5%

Night

N

E

S

W

  • NNE 10 km/h
  • Gusts: 18 km/h

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • 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 9

more Historical Weather Data >
  Today Normal Record 7/9/2013
High 22° 27° N/A 26°
Low 13° 16° N/A 22°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 15:12 of sunlight, then sets at 8:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:05 PM with 9:53 of moolight, then sets at 3:58 AM

Top Story

St. Catharines Weather Report

Major Flooding Inundates US, Canada Communities This Week

July 9, 2014; 8:55 PM ET

In the wake of torrential rain in recent weeks, flooding will continue to work downstream along the Mississippi River in the United States and rivers in South Central Canada this week. more >