Saint John 7-day weather forecast

Written by:
September 29, 2025
ESOlex // Shutterstock

Saint John 7-day weather forecast

Stacker created the forecast for Saint John, New Brunswick using data from OpenWeather. This week's high is 17 °C on Tuesday, while the low is 5 °C on Monday. There are expected to be 3 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, October 13

- High of 15 °C, low of 5 °C (44% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 7:37 AM, sunset at 6:42 PM
- Last quarter moon
1 / 6
Onishchenko Natalya // Shutterstock

Tuesday, October 14

- High of 17 °C, low of 6 °C (41% humidity)
- Mostly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light air (7 km/h wind)
- Sunrise at 7:39 AM, sunset at 6:41 PM
2 / 6
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Wednesday, October 15

- High of 16 °C, low of 6 °C (50% humidity)
- Sunny with a 100% chance of rain (16 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Light breeze (25 km/h wind)
- Sunrise at 7:40 AM, sunset at 6:39 PM
3 / 6
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Thursday, October 16

- High of 7 °C, low of 5 °C (89% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Light breeze (23 km/h wind)
- Sunrise at 7:41 AM, sunset at 6:37 PM
4 / 6
ESOlex // Shutterstock

Friday, October 17

- High of 13 °C, low of 7 °C (71% humidity)
- Partly sunny with a 100% chance of rain (1 mm of rain)
- Light breeze (21 km/h wind)
- Sunrise at 7:42 AM, sunset at 6:35 PM
5 / 6
afoto6267 // Shutterstock

Saturday, October 18

- High of 16 °C, low of 6 °C (63% humidity)
- Fair with a 0% chance of snow
- Light breeze (16 km/h wind)
- Sunrise at 7:44 AM, sunset at 6:34 PM
6 / 6
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Sunday, October 19

- High of 16 °C, low of 7 °C (61% humidity)
- Sunny with a 0% chance of snow
- Light air (10 km/h wind)
- Sunrise at 7:45 AM, sunset at 6:32 PM

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