St. Catharines, Ontario

2026-03-10 09:24

12°C

Feels like 6°C

Partly cloudy

Humidity

65%

Wind

15 km/h NW

Visibility

10 km

Pressure

1013 mb

UV Index

3 — Moderate

Precip

0 mm

Hourly Forecast

Now

12°C48%

11:00 a.m.

11°C42%

12:00 p.m.

14°C41%

1:00 p.m.

10°C52%

2:00 p.m.

-4°C26%

3:00 p.m.

13°C

4:00 p.m.

14°C26%

5:00 p.m.

9°C21%

6:00 p.m.

-1°C42%

7:00 p.m.

13°C25%

8:00 p.m.

-5°C

9:00 p.m.

5°C

10:00 p.m.

9°C55%

11:00 p.m.

1°C49%

View full hourly forecast →

3-Day Forecast

Today

14°C

-5°C

Tomorrow

20°C

-1°C

Thursday

25%

17°C

-1°C

St. Catharines Weather Tomorrow

Plan your day with the latest St. Catharines, Ontario weather forecast. Current conditions show partly cloudy with a temperature of 12°C (feels like 6°C). Humidity is at 65% with winds from the NW at 15 km/h.

This page is updated every 30 minutes with the latest weather data for St. Catharines. Check the hourly forecast above for a detailed breakdown of today's weather, or view the multi-day forecast to plan ahead.