16°
Overcast, feels like 15°.
St. Catharines, Ontario, Canada · Tuesday, 3 November 2026 22:45 local time
Next 24 Hours
St. Catharines Hourly Weather
| Time | Temperature / Feels like | Weather / Chance of rain |
|---|---|---|
| 17 ° / 16 ° |
0 %
Partly cloudy |
|
| 16 ° / 15 ° |
0 %
Overcast |
|
| 17 ° / 15 ° |
0 %
Partly cloudy |
|
| 17 ° / 15 ° |
0 %
Partly cloudy |
|
| 17 ° / 15 ° |
0 %
Mostly clear |
|
| 17 ° / 15 ° |
0 %
Clear sky |
|
| 17 ° / 14 ° |
0 %
Mostly clear |
|
| 17 ° / 14 ° |
0 %
Clear sky |
|
| 16 ° / 14 ° |
0 %
Mostly clear |
|
| 17 ° / 14 ° |
0 %
Partly cloudy |
|
| 18 ° / 15 ° |
0 %
Mostly clear |
|
| 20 ° / 18 ° |
0 %
Mostly clear |
St. Catharines 7-Day Forecast
| Date | Low/High | Weather | Chance of rain | Wind | Summary |
|---|---|---|---|---|---|
| 14 °/23 ° |
Light showers
|
3% | 25 km/h | Today WeatherLow/High14°/23° Humidity71% Pressure1007 hPa Sunrise/Sunset |
|
| 16 °/25 ° |
Light rain
|
94% | 21 km/h | Wed 4 Nov WeatherLow/High16°/25° Humidity56% Pressure1001 hPa Sunrise/Sunset |
|
| 13 °/20 ° |
Light showers
|
88% | 27 km/h | Thu 5 Nov WeatherLow/High13°/20° Humidity75% Pressure996 hPa Sunrise/Sunset |
|
| 10 °/16 ° |
Light rain
|
40% | 19 km/h | Fri 6 Nov WeatherLow/High10°/16° Humidity69% Pressure997 hPa Sunrise/Sunset |
|
| 8 °/10 ° |
Light rain
|
52% | 31 km/h | Sat 7 Nov WeatherLow/High8°/10° Humidity84% Pressure998 hPa Sunrise/Sunset |
|
| 8 °/13 ° |
Partly cloudy
|
16% | 26 km/h | Sun 8 Nov WeatherLow/High8°/13° Humidity64% Pressure1002 hPa Sunrise/Sunset |
|
| 7 °/14 ° |
Partly cloudy
|
3% | 27 km/h | Mon 9 Nov WeatherLow/High7°/14° Humidity66% Pressure1005 hPa Sunrise/Sunset |
St. Catharines Weather Summary
St. Catharines, Tuesday 3 November 2026: overcast, 16°C (feels like 15°C), with a range of 14–23°C today. The highest chance of rain in the next 24 hours is 89%, around 21:00 tomorrow local time. Tomorrow: light rain, 16–25°C — see weather tomorrow or the hourly forecast.
Tip: take an umbrella or a rain jacket.
Updated at 22:48 local time, 3 November 2026
St. Catharines Hourly Temperature and Chance of Rain
St. Catharines Temperature and Chance of Rain, Next Days
About St. Catharines
St. Catharines is a city in Ontario, Canada. The forecast uses the local point at 43.17°N, 79.24°W, about 102 m above sea level. Local time is UTC−5 (America/Toronto). Data combine the ECMWF, ICON and GFS weather models and refresh every 15 minutes; for official warnings, follow the national weather service.
St. Catharines Air Quality
Good · AQI 34Air quality is good and poses little or no risk for outdoor activity.
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