Saint John 7-day weather forecast

Written by:
December 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 6 °C on Wednesday, while the low is -11 °C on Saturday. There is expected to be 1 sunny day, snow on 2 days, and 3 days of rain this week.

There are currently no weather alerts.

Monday, January 12

- High of -2 °C, low of -5 °C (67% humidity)
- Partly cloudy with a 0% chance of snow
- Gentle breeze (28 km/h wind)
- Sunrise at 8:01 AM, sunset at 5:03 PM
1 / 6
Sandra Matic // Shutterstock

Tuesday, January 13

- High of 3 °C, low of -5 °C (67% humidity)
- Partly cloudy with a 0% chance of snow
- Light breeze (17 km/h wind)
- Sunrise at 8:00 AM, sunset at 5:04 PM
2 / 6
Leonid Ikan // Shutterstock

Wednesday, January 14

- High of 6 °C, low of 4 °C (91% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Gentle breeze (27 km/h wind)
- Sunrise at 8:00 AM, sunset at 5:05 PM
3 / 6
Gaschwald // Shutterstock

Thursday, January 15

- High of 4 °C, low of 1 °C (99% humidity)
- Overcast with a 100% chance of rain (12 mm of rain)
- Light air (12 km/h wind)
- Sunrise at 7:59 AM, sunset at 5:07 PM
4 / 6
Jaromir Chalabala // Shutterstock

Friday, January 16

- High of -1 °C, low of -7 °C (87% humidity)
- Overcast with a 100% chance of snow (9 mm of snow)
- Light breeze (25 km/h wind)
- Sunrise at 7:59 AM, sunset at 5:08 PM
5 / 6
Rachasie // Shutterstock

Saturday, January 17

- High of 3 °C, low of -11 °C (64% humidity)
- Sunny with a 20% chance of snow (0 mm of snow)
- Light breeze (24 km/h wind)
- Sunrise at 7:58 AM, sunset at 5:09 PM
6 / 6
otsphoto // Shutterstock

Sunday, January 18

- High of 6 °C, low of -1 °C (99% humidity)
- Overcast with a 100% chance of rain (10 mm of rain)
- Gentle breeze (32 km/h wind)
- Sunrise at 7:57 AM, sunset at 5:11 PM
- New moon

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