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 Monday, while the low is 10 °C on Sunday. There is expected to be 1 sunny day and rain on 4 days this week.

There are currently no weather alerts.

Monday, May 13

- High of 21 °C, low of 11 °C (74% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (39 km/h wind)
- Sunrise at 5:55 AM, sunset at 8:31 PM

1 / 6

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Tuesday, May 14

- High of 15 °C, low of 12 °C (96% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Light breeze (15 km/h wind)
- Sunrise at 5:53 AM, sunset at 8:32 PM

2 / 6

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Wednesday, May 15

- High of 15 °C, low of 11 °C (91% humidity)
- Overcast with a 33% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (19 km/h wind)
- Sunrise at 5:52 AM, sunset at 8:34 PM
- First quarter moon

3 / 6

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Thursday, May 16

- High of 17 °C, low of 11 °C (66% humidity)
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (17 km/h wind)
- Sunrise at 5:51 AM, sunset at 8:35 PM

4 / 6

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Friday, May 17

- High of 18 °C, low of 13 °C (94% humidity)
- Overcast with a 100% chance of rain (11 mm of rain)
- Gentle breeze (33 km/h wind)
- Sunrise at 5:50 AM, sunset at 8:36 PM

5 / 6

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Saturday, May 18

- High of 17 °C, low of 11 °C (61% humidity)
- Mostly cloudy with a 0% chance of snow
- Light breeze (17 km/h wind)
- Sunrise at 5:49 AM, sunset at 8:37 PM