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 21 °C on Tuesday, while the low is 11 °C on Monday. There are expected to be 3 sunny days and rain on 6 days this week.

There are currently no weather alerts.

Monday, June 15

- High of 20 °C, low of 11 °C (59% humidity)
- Mostly sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (25 km/h wind)
- Sunrise at 5:36 AM, sunset at 8:58 PM

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Tuesday, June 16

- High of 21 °C, low of 14 °C (64% humidity)
- Partly cloudy with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (31 km/h wind)
- Sunrise at 5:36 AM, sunset at 8:58 PM

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Wednesday, June 17

- High of 19 °C, low of 14 °C (70% humidity)
- Mostly sunny with a 100% chance of rain (11 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (25 km/h wind)
- Sunrise at 5:36 AM, sunset at 8:59 PM

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Thursday, June 18

- High of 20 °C, low of 13 °C (76% humidity)
- Partly cloudy with a 100% chance of rain (22 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (51 km/h wind)
- Sunrise at 5:36 AM, sunset at 8:59 PM

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Friday, June 19

- High of 18 °C, low of 13 °C (74% humidity)
- Partly sunny with a 100% chance of rain (11 mm of rain)
- Gentle breeze (27 km/h wind)
- Sunrise at 5:37 AM, sunset at 8:59 PM

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Saturday, June 20

- High of 19 °C, low of 12 °C (64% humidity)
- Mostly sunny with a 100% chance of rain (1 mm of rain)
- Light breeze (27 km/h wind)
- Sunrise at 5:37 AM, sunset at 8:59 PM

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Sunday, June 21

- High of 19 °C, low of 13 °C (64% humidity)
- Partly cloudy with a 70% chance of rain (1 mm of rain)
- Light breeze (19 km/h wind)
- Sunrise at 5:37 AM, sunset at 9:00 PM
- First quarter moon