St. Catharines 7-day weather forecast

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January 26, 2026
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St. Catharines 7-day weather forecast

Stacker created the forecast for St. Catharines, Ontario using data from OpenWeather. This week's high is 0 °C on Friday, while the low is -17 °C on Saturday. There are expected to be 0 sunny days and snow on 3 days this week.

There are currently no weather alerts.

Monday, February 2

- High of -4 °C, low of -13 °C (86% humidity)
- Mostly cloudy with a 0% chance of snow
- Light breeze (22 km/h wind)
- Sunrise at 7:31 AM, sunset at 5:29 PM
1 / 6
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Tuesday, February 3

- High of -4 °C, low of -10 °C (85% humidity)
- Overcast with a 0% chance of snow
- Gentle breeze (27 km/h wind)
- Sunrise at 7:30 AM, sunset at 5:31 PM
2 / 6
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Wednesday, February 4

- High of -6 °C, low of -13 °C (82% humidity)
- Overcast with a 0% chance of snow
- Light breeze (18 km/h wind)
- Sunrise at 7:29 AM, sunset at 5:32 PM
3 / 6
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Thursday, February 5

- High of -5 °C, low of -10 °C (75% humidity)
- Overcast with a 100% chance of snow (1 mm of snow)
- Light breeze (21 km/h wind)
- Sunrise at 7:27 AM, sunset at 5:34 PM
4 / 6
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Friday, February 6

- High of 0 °C, low of -15 °C (95% humidity)
- Overcast with a 100% chance of snow (3 mm of snow)
- Moderate breeze (47 km/h wind)
- Sunrise at 7:26 AM, sunset at 5:35 PM
5 / 6
Alex Stemmer // Shutterstock

Saturday, February 7

- High of -14 °C, low of -17 °C (87% humidity)
- Overcast with a 0% chance of snow
- Moderate breeze (47 km/h wind)
- Sunrise at 7:25 AM, sunset at 5:36 PM
6 / 6
VOJTa Herout // Shutterstock

Sunday, February 8

- High of -11 °C, low of -15 °C (78% humidity)
- Overcast with a 20% chance of snow (0 mm of snow)
- Gentle breeze (38 km/h wind)
- Sunrise at 7:24 AM, sunset at 5:38 PM

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