Saint John 7-day weather forecast

Written by:
June 8, 2026
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 Saturday, while the low is 11 °C on Tuesday. There are expected to be 2 sunny days and rain on 3 days this week.

There are currently no weather alerts.

Monday, July 6

- High of 24 °C, low of 12 °C (52% humidity)
- Sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 5:43 AM, sunset at 9:14 PM
1 / 6
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Tuesday, July 7

- High of 24 °C, low of 11 °C (55% humidity)
- Overcast with a 0% chance of snow
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 5:44 AM, sunset at 9:13 PM
- Last quarter moon
2 / 6
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Wednesday, July 8

- High of 19 °C, low of 12 °C (66% humidity)
- Overcast with a 0% chance of snow
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 5:44 AM, sunset at 9:13 PM
3 / 6
Deborah Kolb // Shutterstock

Thursday, July 9

- High of 23 °C, low of 12 °C (60% humidity)
- Partly cloudy with a 38% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 5:45 AM, sunset at 9:12 PM
4 / 6
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Friday, July 10

- High of 23 °C, low of 15 °C (72% humidity)
- Mostly cloudy with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 5:46 AM, sunset at 9:12 PM
5 / 6
Marian Weyo // Shutterstock

Saturday, July 11

- High of 26 °C, low of 15 °C (41% humidity)
- Sunny with a 23% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 5:47 AM, sunset at 9:11 PM
6 / 6
Valeriy Boyarskiy // Shutterstock

Sunday, July 12

- High of 22 °C, low of 12 °C (52% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light air (6 km/h wind)
- Sunrise at 5:48 AM, sunset at 9:11 PM

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