Saint John 7-day weather forecast

Written by:
June 2, 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 26 °C on Friday, while the low is 6 °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, June 2

- High of 14 °C, low of 6 °C (59% humidity)
- Mostly sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (26 km/h wind)
- Sunrise at 5:39 AM, sunset at 9:05 PM
1 / 6
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Tuesday, June 3

- High of 18 °C, low of 6 °C (54% humidity)
- Sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (17 km/h wind)
- Sunrise at 5:38 AM, sunset at 9:06 PM
- First quarter moon
2 / 6
Piyawat Nandeenopparit // Shutterstock

Wednesday, June 4

- High of 20 °C, low of 8 °C (49% humidity)
- Mostly sunny with a 0% chance of snow
- High risk of harm from sun exposure (7 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 5:38 AM, sunset at 9:07 PM
3 / 6
Alex Stemmer // Shutterstock

Thursday, June 5

- High of 19 °C, low of 8 °C (49% humidity)
- Mostly cloudy with a 0% chance of snow
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (17 km/h wind)
- Sunrise at 5:37 AM, sunset at 9:07 PM
4 / 6
Leonid Ikan // Shutterstock

Friday, June 6

- High of 26 °C, low of 10 °C (43% humidity)
- Mostly cloudy with a 25% chance of rain (1 mm of rain)
- Light breeze (14 km/h wind)
- Sunrise at 5:37 AM, sunset at 9:08 PM
5 / 6
VOJTa Herout // Shutterstock

Saturday, June 7

- High of 13 °C, low of 11 °C (97% humidity)
- Overcast with a 100% chance of rain (10 mm of rain)
- Light breeze (22 km/h wind)
- Sunrise at 5:37 AM, sunset at 9:09 PM
6 / 6
Alex Linch // Shutterstock

Sunday, June 8

- High of 18 °C, low of 11 °C (83% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Light breeze (15 km/h wind)
- Sunrise at 5:36 AM, sunset at 9:10 PM

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