
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 31 °C on Monday, while the low is 11 °C on Saturday. There is expected to be 1 sunny day and rain on 3 days this week.
There are currently no weather alerts.
Monday, August 11
- High of 31 °C, low of 16 °C (63% humidity)- Partly cloudy 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 6:20 AM, sunset at 8:38 PM

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Tuesday, August 12
- High of 27 °C, low of 15 °C (55% humidity)
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (7 UV index)
- Light breeze (13 km/h wind)
- Sunrise at 6:22 AM, sunset at 8:36 PM
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (7 UV index)
- Light breeze (13 km/h wind)
- Sunrise at 6:22 AM, sunset at 8:36 PM

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Marian Weyo // Shutterstock
Wednesday, August 13
- High of 25 °C, low of 16 °C (61% humidity)
- Mostly cloudy with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Light breeze (13 km/h wind)
- Sunrise at 6:23 AM, sunset at 8:35 PM
- Mostly cloudy with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Light breeze (13 km/h wind)
- Sunrise at 6:23 AM, sunset at 8:35 PM

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Leonid Ikan // Shutterstock
Thursday, August 14
- High of 23 °C, low of 16 °C (78% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 6:24 AM, sunset at 8:33 PM
- Overcast with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 6:24 AM, sunset at 8:33 PM

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VOJTa Herout // Shutterstock
Friday, August 15
- High of 23 °C, low of 13 °C (38% humidity)
- Mostly sunny with a 0% chance of snow
- Light breeze (17 km/h wind)
- Sunrise at 6:25 AM, sunset at 8:31 PM
- Mostly sunny with a 0% chance of snow
- Light breeze (17 km/h wind)
- Sunrise at 6:25 AM, sunset at 8:31 PM

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Onishchenko Natalya // Shutterstock
Saturday, August 16
- High of 22 °C, low of 11 °C (56% humidity)
- Mostly cloudy with a 0% chance of snow
- Light breeze (18 km/h wind)
- Sunrise at 6:26 AM, sunset at 8:30 PM
- Last quarter moon
- Mostly cloudy with a 0% chance of snow
- Light breeze (18 km/h wind)
- Sunrise at 6:26 AM, sunset at 8:30 PM
- Last quarter moon

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Leonid Ikan // Shutterstock
Sunday, August 17
- High of 21 °C, low of 15 °C (75% humidity)
- Mostly cloudy with a 100% chance of rain (6 mm of rain)
- Light breeze (22 km/h wind)
- Sunrise at 6:28 AM, sunset at 8:28 PM
- Mostly cloudy with a 100% chance of rain (6 mm of rain)
- Light breeze (22 km/h wind)
- Sunrise at 6:28 AM, sunset at 8:28 PM