St. Catharines, Ontario, Canada Weather Forecast

Today's Weather

Sat, Oct 10

Partly sunny; a beautiful start to the weekend Hi: 66°

Tonight: Mostly cloudy Lo: 52°

Current Weather

4:32 PM

64°F

RealFeel® 63°

Mostly cloudy More Details

Looking Ahead

Tropical Rainstorm Isaias will affect the area late tomorrow morning to tomorrow evening. Expect showery weather late Monday night through Tuesday evening.

Hurricane Tracker

Sun Morning - Late Sun Night

Isaias

Currently: Post Tropical Cyclone

St. Catharines Weather Radar

Static Radar Temporarily Unavailable

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

10/10

66° 52°

Partly sunny

Night: Mostly cloudy

49%

Sun

10/11

64° 55°

Some rain

A little rain at times early

91%

Mon

10/12

67° 62°

Pleasant with periods of sun

A couple of showers late

Tue

10/13

72° 55°

Cloudy, a little rain; breezy

Showers around early; breezy

55%

Wed

10/14

63° 49°

Breezy in the morning

Partly cloudy

25%

Thu

10/15

58° 50°

Partly sunny

Partly cloudy

25%

Fri

10/16

61° 47°

A couple of afternoon showers

Breezy with a few showers

56%

Sat

10/17

56° 46°

Sunny spells

Clear to partly cloudy

Sun

10/18

57° 45°

Mostly cloudy

Clouds breaking

Mon

10/19

61° 49°

Times of clouds and sun

Partly cloudy

Sun & Moon

11 hrs 19 mins

Rise 7:24 AM

Set 6:43 PM

New Moon

Rise 7:26 AM

Set 6:23 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.