St. Catharines, Ontario, Canada Weather Forecast

Today's Weather

Wed, Jun 10

Humid; breezy this morning with a brief shower or two followed by a thunderstorm this afternoon Hi: 86°

Tonight: Mostly cloudy, warm and humid; a thunderstorm in the area late; storms can bring flooding downpours and localized damaging wind gusts Lo: 70°

Current Weather

2:00 PM

75°F

RealFeel® 81°

Mostly cloudy More Details

Looking Ahead

Thunderstorms in the area late tonight through early Friday afternoon; storms can bring hail and damaging winds

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

6/10

86° 70°

A thunderstorm this afternoon

Night: Mostly cloudy, a t-storm late

87%

Thu

6/11

86° 71°

A stray t-storm; very warm

55%

Fri

6/12

82° 63°

A shower and t-storm; humid

Mainly clear

88%

Sat

6/13

83° 67°

Sunshine; breezy in the p.m.

Breezy with a stray t-storm

Sun

6/14

77° 54°

A thunderstorm in spots

Partly cloudy and cooler

55%

Mon

6/15

68° 55°

A sun-and-cloud mix

Mostly cloudy

Tue

6/16

68° 55°

A couple of afternoon showers

Partly cloudy

67%

Wed

6/17

68° 56°

Mainly cloudy, showers around

Overcast with showers

58%

Thu

6/18

69° 58°

Mostly cloudy with showers

Mainly clear

80%

Fri

6/19

72° 59°

Plenty of sunshine

Clear

Sun & Moon

15 hrs 19 mins

Rise 5:37 AM

Set 8:56 PM

Waning Crescent

Rise 2:13 AM

Set 3:51 PM

Air Quality

Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.