Saint John 7-day weather forecast

Written by:
March 23, 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 17 °C on Monday, while the low is 2 °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, April 27

- High of 17 °C, low of 6 °C (45% humidity)
- Fair with a 0% chance of snow
- High risk of harm from sun exposure (5 UV index)
- Light air (12 km/h wind)
- Sunrise at 6:18 AM, sunset at 8:24 PM
1 / 6
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Tuesday, April 28

- High of 14 °C, low of 2 °C (36% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 6:17 AM, sunset at 8:25 PM
2 / 6
Cari Rubin Photography // Shutterstock

Wednesday, April 29

- High of 12 °C, low of 3 °C (66% humidity)
- Overcast with a 0% chance of snow
- Light breeze (15 km/h wind)
- Sunrise at 6:15 AM, sunset at 8:27 PM
3 / 6
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Thursday, April 30

- High of 11 °C, low of 3 °C (68% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (19 km/h wind)
- Sunrise at 6:14 AM, sunset at 8:28 PM
4 / 6
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Friday, May 1

- High of 8 °C, low of 7 °C (97% humidity)
- Overcast with a 100% chance of rain (21 mm of rain)
- Light breeze (24 km/h wind)
- Sunrise at 6:12 AM, sunset at 8:29 PM
- Full moon
5 / 6
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Saturday, May 2

- High of 9 °C, low of 4 °C (88% humidity)
- Overcast with a 42% chance of rain (0 mm of rain)
- Light breeze (15 km/h wind)
- Sunrise at 6:11 AM, sunset at 8:30 PM
6 / 6
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Sunday, May 3

- High of 5 °C, low of 3 °C (96% humidity)
- Overcast with a 100% chance of rain (12 mm of rain)
- Light breeze (15 km/h wind)
- Sunrise at 6:09 AM, sunset at 8:32 PM

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