Saint John 7-day weather forecast

Written by:
July 14, 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 25 °C on Thursday, while the low is 13 °C on Monday. There are expected to be 0 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, July 14

- High of 24 °C, low of 13 °C (64% humidity)
- Partly cloudy with a 0% chance of snow
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (18 km/h wind)
- Sunrise at 5:50 AM, sunset at 9:09 PM
1 / 6
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Tuesday, July 15

- High of 24 °C, low of 15 °C (75% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 5:50 AM, sunset at 9:09 PM
2 / 6
Onishchenko Natalya // Shutterstock

Wednesday, July 16

- High of 24 °C, low of 15 °C (72% humidity)
- Partly sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (17 km/h wind)
- Sunrise at 5:51 AM, sunset at 9:08 PM
3 / 6
Cari Rubin Photography // Shutterstock

Thursday, July 17

- High of 25 °C, low of 16 °C (82% humidity)
- Overcast with a 0% chance of snow
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 5:52 AM, sunset at 9:07 PM
- Last quarter moon
4 / 6
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Friday, July 18

- High of 25 °C, low of 16 °C (98% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Light air (8 km/h wind)
- Sunrise at 5:53 AM, sunset at 9:06 PM
5 / 6
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Saturday, July 19

- High of 24 °C, low of 16 °C (92% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Light air (12 km/h wind)
- Sunrise at 5:54 AM, sunset at 9:05 PM
6 / 6
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Sunday, July 20

- High of 25 °C, low of 14 °C (46% humidity)
- Overcast with a 0% chance of snow
- Light breeze (13 km/h wind)
- Sunrise at 5:55 AM, sunset at 9:05 PM

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