St. John's 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

St. John's 7-day weather forecast

Stacker created the forecast for St. John's, Newfoundland and Labrador using data from OpenWeather. This week's high is 21 °C on Monday, while the low is 8 °C on Sunday. There is expected to be 1 sunny day and rain on 3 days this week.

There are currently no weather alerts.

Monday, September 8

- High of 21 °C, low of 16 °C (91% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (27 km/h wind)
- Sunrise at 6:29 AM, sunset at 7:28 PM
1 / 6
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Tuesday, September 9

- High of 17 °C, low of 12 °C (55% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (23 km/h wind)
- Sunrise at 6:30 AM, sunset at 7:26 PM
2 / 6
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Wednesday, September 10

- High of 17 °C, low of 10 °C (55% humidity)
- Sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (5 UV index)
- Light air (12 km/h wind)
- Sunrise at 6:31 AM, sunset at 7:24 PM
3 / 6
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Thursday, September 11

- High of 14 °C, low of 11 °C (93% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Light breeze (15 km/h wind)
- Sunrise at 6:33 AM, sunset at 7:22 PM
4 / 6
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Friday, September 12

- High of 19 °C, low of 12 °C (83% humidity)
- Overcast with a 44% chance of rain (1 mm of rain)
- Gentle breeze (30 km/h wind)
- Sunrise at 6:34 AM, sunset at 7:19 PM
5 / 6
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Saturday, September 13

- High of 13 °C, low of 9 °C (55% humidity)
- Partly cloudy with a 34% chance of rain (1 mm of rain)
- Gentle breeze (32 km/h wind)
- Sunrise at 6:35 AM, sunset at 7:17 PM
6 / 6
Nataliia K // Shutterstock

Sunday, September 14

- High of 15 °C, low of 8 °C (54% humidity)
- Partly cloudy with a 0% chance of snow
- Light breeze (19 km/h wind)
- Sunrise at 6:37 AM, sunset at 7:15 PM
- Last quarter moon

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