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: 15km/hSSW 200°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:43 am EDT
- Sunset: 6:18 pm EDT
- details ▼
On Sunday, October 25, mostly clear skies and sunshine will create ideal daytime conditions.
Temperature is forecasted to swing from a high of a comfortable 19°C to a low of a fresh 11°C.
The warmer conditions bring a maximum of 19°C, more representative of September than October.
Sunrise will be at 7:43 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 35min.
Temperature is forecasted to swing from a high of a comfortable 19°C to a low of a fresh 11°C.
The warmer conditions bring a maximum of 19°C, more representative of September than October.
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 10%.
Hourly weather forecast
- 12 am
- 8°C
- Feels like:8°C
Clear
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 5km/hSSE 168°
- Humidity: 87%
- Pressure: 1032mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 2 am
- 9°C
- Feels like:7°C
Clear
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 8km/hS 179°
- Humidity: 87%
- 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 180°
- Humidity: 86%
- Pressure: 1032mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 6 am
- 8°C
- Feels like:7°C
Clear
- Precip. probability: 10%
- Precipitation: 0mm
- Wind: 6km/hS 178°
- Humidity: 87%
- Pressure: 1033mbar
- Visibility: 16km
- UV index: 0
- details ▼
Sunrise: 7:43 am
- 8 am
- 7°C
- Feels like:6°C
Sunny
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 7km/hS 180°
- Humidity: 88%
- 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 188°
- Humidity: 68%
- 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 211°
- Humidity: 52%
- Pressure: 1031mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 4 pm
- 18°C
- Feels like:18°C
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 13km/hSSW 209°
- Humidity: 53%
- Pressure: 1029mbar
- Visibility: 16km
- UV index: 1
- details ▼
- 6 pm
- 16°C
- Feels like:15°C
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 12km/hSSW 207°
- Humidity: 63%
- Pressure: 1029mbar
- Visibility: 16km
- UV index: 0
- details ▼
Sunset: 6:18 pm
- 8 pm
- 13°C
- Feels like:12°C
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 10km/hSSW 210°
- Humidity: 76%
- Pressure: 1029mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 10 pm
- 12°C
- Feels like:11°C
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 11km/hSW 221°
- Humidity: 80%
- Pressure: 1028mbar
- Visibility: 16km
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of sun-filled and cloud-filled weather is predicted.
The temperature will vary between a minimum of 7°C and a maximum of 18°C. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. Tomorrow, the lowest temperature will be close to October's usual minimum.
The temperature will vary between a minimum of 7°C and a maximum of 18°C. The warmest part of the day will be from 2 pm to 4 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. Tomorrow, the lowest temperature will be close to October's usual minimum.
Updated: Oct 24, 2026 @ 12:21:35 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
Tomorrow, mostly sunny weather is likely, with high visibility.
Tomorrow, the highest temperature will be 19°C, while the lowest temperature will be 11°C.
The highest temperature will be relatively higher than the average maximum of 14.4°C in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature will be relatively higher than the average maximum of 14.4°C in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Saint Catharines, sunrise will be at 7:43 am and sunset at 6:18 pm (EDT).
Tomorrow in Saint Catharines, the daylight will last for 10h and 35min.





