St. Catharines 7-day weather forecast

Written by:
May 1, 2023
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 28 °C on Sunday, while the low is 15 °C on Thursday. There are expected to be 3 sunny days and rain on 3 days this week.

Environment Canada has issued a heat until Monday at 03:30 PM.

Monday, July 15

- High of 26 °C, low of 22 °C (83% humidity)
- Overcast with a 100% chance of rain (12 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (39 km/h wind)
- Sunrise at 5:51 AM, sunset at 8:54 PM
1 / 6
Zyabich // Shutterstock

Tuesday, July 16

- High of 27 °C, low of 21 °C (80% humidity)
- Overcast with a 100% chance of rain (10 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (30 km/h wind)
- Sunrise at 5:52 AM, sunset at 8:53 PM
2 / 6
Cari Rubin Photography // Shutterstock

Wednesday, July 17

- High of 25 °C, low of 18 °C (51% humidity)
- Mostly cloudy with a 100% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (29 km/h wind)
- Sunrise at 5:52 AM, sunset at 8:53 PM
3 / 6
supergenijalac // Shutterstock

Thursday, July 18

- High of 24 °C, low of 15 °C (53% humidity)
- Fair with a 0% chance of snow
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (20 km/h wind)
- Sunrise at 5:53 AM, sunset at 8:52 PM
4 / 6
Marian Weyo // Shutterstock

Friday, July 19

- High of 25 °C, low of 16 °C (41% humidity)
- Sunny with a 0% chance of snow
- Light breeze (13 km/h wind)
- Sunrise at 5:54 AM, sunset at 8:51 PM
5 / 6
Canva

Saturday, July 20

- High of 26 °C, low of 17 °C (49% humidity)
- Sunny with a 0% chance of snow
- Light breeze (14 km/h wind)
- Sunrise at 5:55 AM, sunset at 8:50 PM
6 / 6
Saijai Boonmak // Shutterstock

Sunday, July 21

- High of 28 °C, low of 19 °C (45% humidity)
- Partly cloudy with a 0% chance of snow
- Light air (8 km/h wind)
- Sunrise at 5:56 AM, sunset at 8:49 PM
- Full moon

Trending Now