St. Catharines 7-day Weather Forecast

ESOlex // Shutterstock

St. Catharines 7-day weather forecast

Stacker created the forecast for St. Catharines, Ontario using data from OpenWeather. This week's high is 26 °C on Monday, while the low is 10 °C on Saturday. There are expected to be 4 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, September 15

- High of 26 °C, low of 14 °C (63% humidity)
- Partly sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (23 km/h wind)
- Sunrise at 6:56 AM, sunset at 7:27 PM

1 / 6

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Tuesday, September 16

- High of 23 °C, low of 15 °C (64% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (17 km/h wind)
- Sunrise at 6:57 AM, sunset at 7:25 PM

2 / 6

afoto6267 // Shutterstock

Wednesday, September 17

- High of 23 °C, low of 15 °C (60% humidity)
- Fair with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light air (11 km/h wind)
- Sunrise at 6:59 AM, sunset at 7:23 PM

3 / 6

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Thursday, September 18

- High of 26 °C, low of 17 °C (42% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 7:00 AM, sunset at 7:22 PM

4 / 6

ESOlex // Shutterstock

Friday, September 19

- High of 19 °C, low of 15 °C (59% humidity)
- Partly cloudy with a 0% chance of snow
- Gentle breeze (29 km/h wind)
- Sunrise at 7:01 AM, sunset at 7:20 PM

5 / 6

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Saturday, September 20

- High of 17 °C, low of 10 °C (47% humidity)
- Sunny with a 0% chance of snow
- Gentle breeze (30 km/h wind)
- Sunrise at 7:02 AM, sunset at 7:18 PM

6 / 6

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Sunday, September 21

- High of 22 °C, low of 12 °C (54% humidity)
- Partly cloudy with a 0% chance of snow
- Light breeze (14 km/h wind)
- Sunrise at 7:03 AM, sunset at 7:16 PM
- New moon