Weather forecast for tomorrowSaint Catharines, Canada
Weather forecast for tomorrow
Sunday 25. Oct 2026
- 19°C
- 11°C
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 14km/hSSW 199°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:43 am EDT
- Sunset: 6:18 pm EDT
- details ▼
On Sunday, in Saint Catharines, mainly sunny skies with just a few high clouds are anticipated.
The temperature is predicted to vary between a maximum of a breezy 19°C and a minimum of a cool 11°C.
Tomorrow, the forecasted high will be higher and much closer to September's average high of 21.5°C than October's 14.4°C.
Sunrise will be at 7:43 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 35min.
The temperature is predicted to vary between a maximum of a breezy 19°C and a minimum of a cool 11°C.
Tomorrow, the forecasted high will be higher and much closer to September's average high of 21.5°C than October's 14.4°C.
Sunrise will be at 7:43 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 35min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 18°C.
Coldest period: 12 am - 6 am 8°C.
Coldest period: 12 am - 6 am 8°C.
Chance of precipitation
Highest chance: 6 am 11%.
Hourly weather forecast
- 12 am
- 8°C
- Feels like:8°C
Clear
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 4km/hSSE 167°
- Humidity: 89%
- Pressure: 1032mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 2 am
- 9°C
- Feels like:8°C
Clear
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 7km/hS 179°
- Humidity: 88%
- Pressure: 1032mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 4 am
- 8°C
- Feels like:7°C
Clear
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 6km/hS 178°
- Humidity: 87%
- Pressure: 1032mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 6 am
- 8°C
- Feels like:7°C
Clear
- Precip. probability: 11%
- Precipitation: 0mm
- Wind: 6km/hS 176°
- Humidity: 87%
- Pressure: 1033mbar
- Visibility: 16km
- UV index: 0
- details ▼
Sunrise: 7:43 am
- 8 am
- 8°C
- Feels like:6°C
Sunny
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 7km/hS 180°
- Humidity: 89%
- Pressure: 1033mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 10 am
- 13°C
- Feels like:12°C
Sunny
- Precip. probability: 2%
- Precipitation: 0mm
- Wind: 10km/hS 189°
- Humidity: 67%
- Pressure: 1033mbar
- Visibility: 16km
- UV index: 1
- details ▼
- 12 pm
- 16°C
- Feels like:16°C
Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 11km/hSSW 210°
- Humidity: 57%
- Pressure: 1032mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 2 pm
- 18°C
- Feels like:18°C
Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 12km/hSSW 213°
- Humidity: 53%
- Pressure: 1031mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 4 pm
- 18°C
- Feels like:18°C
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 13km/hSSW 210°
- Humidity: 53%
- Pressure: 1030mbar
- Visibility: 16km
- UV index: 1
- details ▼
- 6 pm
- 16°C
- Feels like:15°C
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 12km/hSSW 204°
- Humidity: 63%
- Pressure: 1029mbar
- Visibility: 16km
- UV index: 0
- details ▼
Sunset: 6:18 pm
- 8 pm
- 13°C
- Feels like:13°C
Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 10km/hSSW 210°
- Humidity: 75%
- Pressure: 1029mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 10 pm
- 13°C
- Feels like:12°C
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 11km/hSW 222°
- Humidity: 79%
- Pressure: 1028mbar
- Visibility: 16km
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of dry and sunny and cloudy weather is predicted.
The temperature will be between the lowest temperature of 8°C and the highest temperature of 18°C. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature is more resembling September's average maximum of 21.5°C than October's usual of 14.4°C. The night temperature will be similar to the standard October low of 9.6°C.
The temperature will be between the lowest temperature of 8°C and the highest temperature of 18°C. The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature is more resembling September's average maximum of 21.5°C than October's usual of 14.4°C. The night temperature will be similar to the standard October low of 9.6°C.
Updated: Oct 24, 2026 @ 09:39:19 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
On Sunday, dry and sunny weather is expected throughout the day.
Tomorrow, the highest temperature in Saint Catharines will be 19°C, while the lowest temperature will be 11°C.
The highest temperature tomorrow will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 9.6°C.
The highest temperature tomorrow will be a couple of degrees higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 9.6°C.
On Sunday, in Saint Catharines, sunrise will be at 7:43 am and sunset at 6:18 pm (EDT).
In Saint Catharines, the length of the day tomorrow will be 10h and 35min.
