Weather forecast for 10 daysGrimsby, Canada
Weather forecast for the weekend
Sunday 18. Oct 2026
- 19°C
- 8°C
Sunny
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 23km/hSW 217°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:35 am EDT
- Sunset: 6:30 pm EDT
- details ▼
On Sunday, October 18, sunny and dry conditions are anticipated.
The temperature is expected to vary between a maximum of a breezy 19°C and a minimum of a chilly 8°C.
Expect a warmer feel as the forecasted high matches September's 21.4°C, rather than October's average of 14.1°C.
Sunrise was at 7:35 am and sunset will be at 6:30 pm; the daylight will last for 10h and 55min.
The temperature is expected to vary between a maximum of a breezy 19°C and a minimum of a chilly 8°C.
Expect a warmer feel as the forecasted high matches September's 21.4°C, rather than October's average of 14.1°C.
Sunrise was at 7:35 am and sunset will be at 6:30 pm; the daylight will last for 10h and 55min.
10-day overview
Daily temperatures
Warmest period: today - tomorrow 19°C.
Coldest day: Friday 12°C.
Coldest day: Friday 12°C.
Chance of precipitation
Highest chance: Tuesday 19%.
Long-term weather forecast
- Sunday
- 18. Oct 2026
- 19°C
- 8°C
Sunny
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 23km/hSW 217°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:35 am EDT
- Sunset: 6:30 pm EDT
- details ▼
- Monday
- 19. Oct 2026
- 19°C
- 9°C
Sunny
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 13km/hSW 232°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:37 am EDT
- Sunset: 6:29 pm EDT
- details ▼
- Tuesday
- 20. Oct 2026
- 14°C
- 6°C
Mostly Sunny
- Precip. probability: 19%
- Precipitation: 0mm
- Wind: 18km/hNE 45°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:38 am EDT
- Sunset: 6:27 pm EDT
- details ▼
- Wednesday
- 21. Oct 2026
- 14°C
- 6°C
Sunny
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 11km/hENE 61°
- Humidity: 73%
- UV index: 3
- Sunrise: 7:39 am EDT
- Sunset: 6:26 pm EDT
- details ▼
- Thursday
- 22. Oct 2026
- 17°C
- 8°C
Sunny
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 9km/hN 356°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:40 am EDT
- Sunset: 6:24 pm EDT
- details ▼
- Friday
- 23. Oct 2026
- 12°C
- 4°C
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 15km/hENE 57°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:42 am EDT
- Sunset: 6:23 pm EDT
- details ▼
- Saturday
- 24. Oct 2026
- 15°C
- 5°C
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0mm
- Wind: 9km/hE 86°
- Humidity: 68%
- UV index: 3
- Sunrise: 7:43 am EDT
- Sunset: 6:21 pm EDT
- details ▼
- Sunday
- 25. Oct 2026
- 17°C
- 9°C
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0mm
- Wind: 14km/hSW 215°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:44 am EDT
- Sunset: 6:20 pm EDT
- details ▼
- Monday
- 26. Oct 2026
- 16°C
- 8°C
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 12km/hNW 316°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:45 am EDT
- Sunset: 6:18 pm EDT
- details ▼
- Tuesday
- 27. Oct 2026
- 13°C
- 6°C
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0mm
- Wind: 14km/hNNE 28°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:47 am EDT
- Sunset: 6:17 pm EDT
- details ▼
In the days ahead, a combination of dry and sunny and dull weather is anticipated.
Rain is not forecasted in Grimsby in the upcoming period.
The temperature will vary considerably throughout the forecast window. Highs will range from 12°C to 19°C, while the forecast minimum temperature falls between 4°C and 9°C.
Sunday and Monday, with the highest temperature of 19°C, will be the warmest days in Grimsby; Friday will be the coldest day, with the highest temperature of 12°C.
Rain is not forecasted in Grimsby in the upcoming period.
The temperature will vary considerably throughout the forecast window. Highs will range from 12°C to 19°C, while the forecast minimum temperature falls between 4°C and 9°C.
Sunday and Monday, with the highest temperature of 19°C, will be the warmest days in Grimsby; Friday will be the coldest day, with the highest temperature of 12°C.
Updated: Oct 18, 2026 @ 18:50:29 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, in Grimsby, the weather remains calm, bright, and sunny.
Today, the highest temperature will be 19°C, while the lowest temperature will be 8°C.
The highest temperature will be a couple of degrees higher than the average maximum of 14.1°C in October. The lowest temperature today will be in line with the average low temperature.
The highest temperature will be a couple of degrees higher than the average maximum of 14.1°C in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Grimsby, sunrise was at 7:35 am and sunset will be at 6:30 pm (EDT).
Today, the daylight will last for 10h and 55min.
