St. Catharines, Ontario, Canada Weather Forecast

Today's Weather

Sat, May 16

Windy with intervals of clouds and sunshine; a shower in spots late this morning followed by a thunderstorm in parts of the area this afternoon Hi: 73°

Tonight: Becoming cloudy Lo: 56°

Current Weather

2:26 PM

59°F

RealFeel® 56°

Thunderstorm More Details

MINUTECAST®

Rain and a thunderstorm for at least 60 min

Now

3:26 PM

Looking Ahead

Warm over the weekend; summerlike early next week

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

5/16

73° 56°

Windy; a stray p.m. t-storm

Night: Becoming cloudy

65%

Sun

5/17

71° 57°

Nice with clouds and sun

Rather cloudy

Mon

5/18

83° 65°

Partly sunny; breezy, warmer

Breezy early; partly cloudy

Tue

5/19

82° 60°

A heavy t-storm in the p.m.

Windy with a t-storm in spots

55%

Wed

5/20

65° 43°

A t-storm around in the a.m.

Cooler; breezy in the evening

55%

Thu

5/21

57° 43°

Cool with clouds and sunshine

Partly cloudy

Fri

5/22

61° 46°

Decreasing clouds

Mainly clear

Sat

5/23

65° 50°

Partial sunshine

Partly cloudy

Sun

5/24

67° 54°

An afternoon shower possible

Cloudy with late-night rain

30%

Mon

5/25

66° 54°

A shower possible

Overcast

30%

Sun & Moon

14 hrs 43 mins

Rise 5:52 AM

Set 8:35 PM

New Moon

Rise 5:13 AM

Set 9:03 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.