St. Catharines 7-day Weather Forecast

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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 26 °C on Saturday, while the low is 10 °C on Monday. There are expected to be 4 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, September 8

- High of 20 °C, low of 10 °C (49% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 6:49 AM, sunset at 7:40 PM

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Tuesday, September 9

- High of 21 °C, low of 11 °C (45% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 6:50 AM, sunset at 7:38 PM

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Wednesday, September 10

- High of 23 °C, low of 15 °C (49% 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 6:51 AM, sunset at 7:36 PM

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Thursday, September 11

- High of 23 °C, low of 15 °C (44% 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 6:52 AM, sunset at 7:34 PM

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Friday, September 12

- High of 21 °C, low of 15 °C (57% humidity)
- Partly cloudy with a 0% chance of snow
- Light breeze (23 km/h wind)
- Sunrise at 6:53 AM, sunset at 7:33 PM

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Leonid Ikan // Shutterstock

Saturday, September 13

- High of 26 °C, low of 15 °C (46% humidity)
- Partly cloudy with a 20% chance of rain (0 mm of rain)
- Light breeze (24 km/h wind)
- Sunrise at 6:54 AM, sunset at 7:31 PM

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Sunday, September 14

- High of 20 °C, low of 15 °C (93% humidity)
- Overcast with a 100% chance of rain (15 mm of rain)
- Light breeze (22 km/h wind)
- Sunrise at 6:55 AM, sunset at 7:29 PM
- Last quarter moon