Barrie 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Barrie 7-day weather forecast

Stacker created the forecast for Barrie, Ontario using data from OpenWeather. This week's high is 28 °C on Wednesday, while the low is 4 °C on Saturday. There are expected to be 5 sunny days and precipitation on 0 days this week.

There are currently no weather alerts.

Monday, September 15

- High of 23 °C, low of 11 °C (46% humidity)
- Fair with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light air (11 km/h wind)
- Sunrise at 6:58 AM, sunset at 7:29 PM
1 / 6
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Tuesday, September 16

- High of 26 °C, low of 12 °C (37% humidity)
- Mostly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light air (9 km/h wind)
- Sunrise at 6:59 AM, sunset at 7:28 PM
2 / 6
Leonid Ikan // Shutterstock

Wednesday, September 17

- High of 28 °C, low of 13 °C (32% humidity)
- Mostly sunny with a 0% chance of snow
- High risk of harm from sun exposure (5 UV index)
- Light air (6 km/h wind)
- Sunrise at 7:00 AM, sunset at 7:26 PM
3 / 6
Leonid Ikan // Shutterstock

Thursday, September 18

- High of 26 °C, low of 14 °C (48% humidity)
- Fair with a 0% chance of snow
- High risk of harm from sun exposure (5 UV index)
- Light breeze (23 km/h wind)
- Sunrise at 7:01 AM, sunset at 7:24 PM
4 / 6
afoto6267 // Shutterstock

Friday, September 19

- High of 21 °C, low of 11 °C (34% humidity)
- Sunny with a 0% chance of snow
- Light breeze (20 km/h wind)
- Sunrise at 7:02 AM, sunset at 7:22 PM
5 / 6
Gary Whitton // Shutterstock

Saturday, September 20

- High of 18 °C, low of 4 °C (26% humidity)
- Sunny with a 0% chance of snow
- Light breeze (16 km/h wind)
- Sunrise at 7:03 AM, sunset at 7:20 PM
6 / 6
alisalipa // Shutterstock

Sunday, September 21

- High of 25 °C, low of 6 °C (33% humidity)
- Mostly cloudy with a 0% chance of snow
- Light breeze (13 km/h wind)
- Sunrise at 7:04 AM, sunset at 7:18 PM
- New moon

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