Moncton 7-day weather forecast

Written by:
August 18, 2025
ESOlex // Shutterstock

Moncton 7-day weather forecast

Stacker created the forecast for Moncton, New Brunswick using data from OpenWeather. This week's high is 25 °C on Sunday, while the low is 6 °C on Tuesday. There is expected to be 1 sunny day and rain on 3 days this week.

There are currently no weather alerts.

Monday, August 18

- High of 19 °C, low of 9 °C (42% humidity)
- Partly cloudy with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Light breeze (22 km/h wind)
- Sunrise at 6:22 AM, sunset at 8:23 PM
1 / 6
Gary Whitton // Shutterstock

Tuesday, August 19

- High of 20 °C, low of 6 °C (34% humidity)
- Mostly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 6:23 AM, sunset at 8:21 PM
2 / 6
Leonid Ikan // Shutterstock

Wednesday, August 20

- High of 22 °C, low of 11 °C (41% humidity)
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light air (10 km/h wind)
- Sunrise at 6:25 AM, sunset at 8:20 PM
3 / 6
Leonid Ikan // Shutterstock

Thursday, August 21

- High of 20 °C, low of 12 °C (77% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (15 km/h wind)
- Sunrise at 6:26 AM, sunset at 8:18 PM
4 / 6
VOJTa Herout // Shutterstock

Friday, August 22

- High of 22 °C, low of 10 °C (43% humidity)
- Sunny with a 0% chance of snow
- Light breeze (16 km/h wind)
- Sunrise at 6:27 AM, sunset at 8:16 PM
5 / 6
IKO-studio // Shutterstock

Saturday, August 23

- High of 23 °C, low of 11 °C (41% humidity)
- Partly sunny with a 0% chance of snow
- Light breeze (17 km/h wind)
- Sunrise at 6:28 AM, sunset at 8:14 PM
- New moon
6 / 6
Gaschwald // Shutterstock

Sunday, August 24

- High of 25 °C, low of 17 °C (53% humidity)
- Overcast with a 63% chance of rain (1 mm of rain)
- Light breeze (26 km/h wind)
- Sunrise at 6:30 AM, sunset at 8:13 PM

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