Weather forecast for tomorrowSarnia, Canada
Weather forecast for tomorrow
Saturday 24. Oct 2026
- 18°C
- 4°C
Mostly Sunny
- Precip. probability: 20%
- Precipitation: 0mm
- Wind: 6km/hESE 121°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:54 am EDT
- Sunset: 6:33 pm EDT
- details ▼
Tomorrow, in Sarnia, mainly sunny skies with just a few high clouds are also anticipated.
Temperature fluctuations between an enjoyable 18°C and an icy 4°C are forecasted.
Tomorrow, the predicted temperature will be slightly warmer than the standard October high of 14.6°C.
Sunrise will be at 7:54 am and sunset at 6:33 pm; tomorrow's daylight will last for 10h and 39min.
Temperature fluctuations between an enjoyable 18°C and an icy 4°C are forecasted.
Tomorrow, the predicted temperature will be slightly warmer than the standard October high of 14.6°C.
Sunrise will be at 7:54 am and sunset at 6:33 pm; tomorrow's daylight will last for 10h and 39min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 17°C.
Coldest hour: 6 am 3°C.
Coldest hour: 6 am 3°C.
Chance of precipitation
Highest chance: 6 am 8%.
Hourly weather forecast
- 12 am
- 7°C
- Feels like:6°C
Clear
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 8km/hESE 116°
- Humidity: 92%
- Pressure: 1030mbar
- Visibility: 13km
- UV index: 0
- details ▼
- 2 am
- 6°C
- Feels like:5°C
Clear
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 6km/hESE 118°
- Humidity: 93%
- Pressure: 1030mbar
- Visibility: 10km
- UV index: 0
- details ▼
- 4 am
- 4°C
- Feels like:3°C
Clear
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 5km/hESE 116°
- Humidity: 95%
- Pressure: 1030mbar
- Visibility: 7km
- UV index: 0
- details ▼
- 6 am
- 3°C
- Feels like:3°C
Clear
- Precip. probability: 8%
- Precipitation: 0mm
- Wind: 4km/hESE 114°
- Humidity: 97%
- Pressure: 1031mbar
- Visibility: 2km
- UV index: 0
- details ▼
Sunrise: 7:54 am
- 8 am
- 3°C
- Feels like:3°C
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0mm
- Wind: 4km/hESE 104°
- Humidity: 98%
- Pressure: 1031mbar
- Visibility: 3km
- UV index: 0
- details ▼
- 10 am
- 9°C
- Feels like:9°C
Sunny
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 5km/hESE 111°
- Humidity: 79%
- Pressure: 1032mbar
- Visibility: 16km
- UV index: 1
- details ▼
- 12 pm
- 14°C
- Feels like:14°C
Sunny
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 5km/hESE 120°
- Humidity: 62%
- Pressure: 1031mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 2 pm
- 17°C
- Feels like:17°C
Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 5km/hSE 132°
- Humidity: 52%
- Pressure: 1030mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 4 pm
- 18°C
- Feels like:18°C
Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 5km/hSE 135°
- Humidity: 48%
- Pressure: 1029mbar
- Visibility: 16km
- UV index: 1
- details ▼
- 6 pm
- 16°C
- Feels like:16°C
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 5km/hSE 130°
- Humidity: 61%
- Pressure: 1029mbar
- Visibility: 16km
- UV index: 0
- details ▼
Sunset: 6:33 pm
- 8 pm
- 11°C
- Feels like:11°C
Clear
- Precip. probability: 3%
- Precipitation: 0mm
- Wind: 5km/hSE 146°
- Humidity: 82%
- Pressure: 1030mbar
- Visibility: 16km
- UV index: 0
- details ▼
- 10 pm
- 9°C
- Feels like:9°C
Clear
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 6km/hSSE 160°
- Humidity: 91%
- Pressure: 1031mbar
- Visibility: 16km
- UV index: 0
- details ▼
Tomorrow, on Saturday, primarily dry and sunny and occasionally gloomy weather is expected.
The temperature will vary between the lowest temperature of 3°C and the highest temperature of 18°C. The warmest part of the day will be around 4 pm.
The forecasted high will be moderately higher than the typical October maximum of 14.6°C. The lowest temperature is more similar to November's average minimum of 1.5°C than the usual minimum of 7.8°C in October.
The temperature will vary between the lowest temperature of 3°C and the highest temperature of 18°C. The warmest part of the day will be around 4 pm.
The forecasted high will be moderately higher than the typical October maximum of 14.6°C. The lowest temperature is more similar to November's average minimum of 1.5°C than the usual minimum of 7.8°C in October.
Updated: Oct 23, 2026 @ 10:48:13 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, in Sarnia, expect plenty of sunshine and only a few scattered clouds.
Tomorrow, the highest temperature will be 18°C, while the lowest temperature will be 4°C.
Tomorrow, the highest temperature will be relatively higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a couple of degrees lower than the average low temperature.
Tomorrow, the highest temperature will be relatively higher than the average maximum temperature in October. Tomorrow, the lowest temperature will be also a couple of degrees lower than the average low temperature.
On Saturday, in Sarnia, sunrise will be at 7:54 am and sunset at 6:33 pm (EDT).
In Sarnia, the length of the day tomorrow will be 10h and 39min.





