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 16 °C on Monday, while the low is 6 °C on Friday. There are expected to be 0 sunny days and rain on 5 days this week.

There are currently no weather alerts.

Monday, October 20

- High of 16 °C, low of 10 °C (53% humidity)
- Mostly cloudy with a 100% chance of rain (15 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (37 km/h wind)
- Sunrise at 7:36 AM, sunset at 6:26 PM

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Tuesday, October 21

- High of 15 °C, low of 9 °C (82% humidity)
- Mostly cloudy with a 100% chance of rain (3 mm of rain)
- Gentle breeze (42 km/h wind)
- Sunrise at 7:38 AM, sunset at 6:24 PM
- New moon

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Wednesday, October 22

- High of 10 °C, low of 7 °C (71% humidity)
- Mostly cloudy with a 100% chance of rain (9 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (43 km/h wind)
- Sunrise at 7:39 AM, sunset at 6:23 PM

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Thursday, October 23

- High of 10 °C, low of 8 °C (75% humidity)
- Overcast with a 83% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (32 km/h wind)
- Sunrise at 7:40 AM, sunset at 6:21 PM

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Friday, October 24

- High of 11 °C, low of 6 °C (55% humidity)
- Partly sunny with a 22% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (27 km/h wind)
- Sunrise at 7:41 AM, sunset at 6:20 PM

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Saturday, October 25

- High of 11 °C, low of 6 °C (58% humidity)
- Partly sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 7:43 AM, sunset at 6:18 PM

6 / 6

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Sunday, October 26

- High of 13 °C, low of 6 °C (47% humidity)
- Mostly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (24 km/h wind)
- Sunrise at 7:44 AM, sunset at 6:17 PM