Weather forecast for 10 daysSaint Catharines, Canada
10-day overview
Daily temperatures
Warmest period: Sunday - Monday 19°C.
Coldest day: Tuesday 12°C.
Coldest day: Tuesday 12°C.
Chance of precipitation
Highest chance: Thursday 29.10. 24%.
Long-term weather forecast
- Wednesday
- 21. Oct 2026
- 16°C
- 4°C
Sunny
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 9km/hENE 71°
- Humidity: 77%
- UV index: 3
- Sunrise: 7:38 am EDT
- Sunset: 6:24 pm EDT
- details ▼
- Thursday
- 22. Oct 2026
- 17°C
- 6°C
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 10km/hNNW 341°
- Humidity: 73%
- UV index: 3
- Sunrise: 7:39 am EDT
- Sunset: 6:23 pm EDT
- details ▼
- Friday
- 23. Oct 2026
- 14°C
- 4°C
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 15km/hENE 74°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:40 am EDT
- Sunset: 6:21 pm EDT
- details ▼
- Saturday
- 24. Oct 2026
- 16°C
- 7°C
Sunny
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 8km/hE 86°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:41 am EDT
- Sunset: 6:20 pm EDT
- details ▼
- Sunday
- 25. Oct 2026
- 19°C
- 10°C
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 14km/hSSW 199°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:43 am EDT
- Sunset: 6:18 pm EDT
- details ▼
- Monday
- 26. Oct 2026
- 19°C
- 10°C
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 14km/hSW 231°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:44 am EDT
- Sunset: 6:17 pm EDT
- details ▼
- Tuesday
- 27. Oct 2026
- 12°C
- 6°C
Mostly Cloudy
- Precip. probability: 16%
- Precipitation: 0mm
- Wind: 18km/hNE 46°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:45 am EDT
- Sunset: 6:15 pm EDT
- details ▼
- Wednesday
- 28. Oct 2026
- 13°C
- 8°C
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0mm
- Wind: 13km/hENE 68°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:47 am EDT
- Sunset: 6:14 pm EDT
- details ▼
- Thursday
- 29. Oct 2026
- 17°C
- 9°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 21km/hSSW 209°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:48 am EDT
- Sunset: 6:13 pm EDT
- details ▼
- Friday
- 30. Oct 2026
- 16°C
- 7°C
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0mm
- Wind: 18km/hW 262°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:49 am EDT
- Sunset: 6:11 pm EDT
- details ▼
It is expected that a combination of cloud-filled and bright weather is forecasted.
Rain is not predicted in Saint Catharines in the upcoming period.
Significant changes in temperature are expected in the upcoming period. The maximum temperature will vary between 12°C and 19°C, while the forecast minimum temperature falls between 4°C and 10°C.
With a maximum temperature of 19°C, Sunday and Monday will be the warmest days in Saint Catharines; the lowest daytime temperature of the period will be reached on Tuesday, peaking at 12°C.
Rain is not predicted in Saint Catharines in the upcoming period.
Significant changes in temperature are expected in the upcoming period. The maximum temperature will vary between 12°C and 19°C, while the forecast minimum temperature falls between 4°C and 10°C.
With a maximum temperature of 19°C, Sunday and Monday will be the warmest days in Saint Catharines; the lowest daytime temperature of the period will be reached on Tuesday, peaking at 12°C.
Updated: Oct 21, 2026 @ 07:45:09 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
In Saint Catharines, a combination of overcast and sunny weather is expected for the next ten days.
The maximum temperature will vary between 12°C and 19°C, while the minimum temperature will vary between 4°C and 10°C.
With a maximum temperature of 19°C, Sunday and Monday will be the warmest days. With a maximum temperature of 12°C, Tuesday will be the coldest day.
On Saturday, sunny skies are in store, with excellent visibility.
On Saturday, the maximum temperature will be 16°C, while the minimum temperature will be 7°C.
On Sunday, in Saint Catharines, sun-filled skies will remain for most of the day.
On Sunday, the highest temperature will be 19°C, while the lowest temperature will be 10°C.
