Hamilton 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Hamilton 7-day weather forecast

Stacker created the forecast for Hamilton, Ontario using data from OpenWeather. This week's high is 29 °C on Saturday, while the low is 10 °C on Monday. There are expected to be 4 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, September 8

- High of 20 °C, low of 10 °C (36% humidity)
- Fair with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light air (12 km/h wind)
- Sunrise at 6:51 AM, sunset at 7:42 PM
1 / 6
Leonid Ikan // Shutterstock

Tuesday, September 9

- High of 24 °C, low of 11 °C (36% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (13 km/h wind)
- Sunrise at 6:52 AM, sunset at 7:41 PM
2 / 6
Nazarova Mariia // Shutterstock

Wednesday, September 10

- High of 27 °C, low of 13 °C (33% humidity)
- Mostly sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light air (10 km/h wind)
- Sunrise at 6:53 AM, sunset at 7:39 PM
3 / 6
New Africa // Shutterstock

Thursday, September 11

- High of 26 °C, low of 15 °C (35% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 6:55 AM, sunset at 7:37 PM
4 / 6
Gaschwald // Shutterstock

Friday, September 12

- High of 21 °C, low of 15 °C (50% humidity)
- Partly sunny with a 0% chance of snow
- Light breeze (20 km/h wind)
- Sunrise at 6:56 AM, sunset at 7:35 PM
5 / 6
Ryzhkov Oleksandr // Shutterstock

Saturday, September 13

- High of 29 °C, low of 14 °C (32% humidity)
- Partly sunny with a 20% chance of rain (0 mm of rain)
- Light breeze (22 km/h wind)
- Sunrise at 6:57 AM, sunset at 7:33 PM
6 / 6
Cari Rubin Photography // Shutterstock

Sunday, September 14

- High of 22 °C, low of 14 °C (94% humidity)
- Mostly cloudy with a 100% chance of rain (8 mm of rain)
- Light breeze (18 km/h wind)
- Sunrise at 6:58 AM, sunset at 7:32 PM
- Last quarter moon

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