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St John weather live forecast
Today's maximum temperature in St John is expected to be 22°C. Select a day from the live weather forecast for St John, New Brunswick, Canada for more weather parameters.
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Sunday
27th Jul -
Monday
28th Jul -
Tuesday
29th Jul -
Wednesday
30th Jul -
Thursday
31st Jul
5-day weather forecast updated at 04:00 on Sunday 27th July 2025 GMT
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Recommended for New Brunswick
The 5-day weather forecast for New Brunswick (St John) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.
St John weather forecast by day
Below are the detailed weather forecasts for St John for the next 5 days.
St John weather for Sunday 27th July 2025
Expect scattered clouds in St John, New Brunswick with a maximum temperature of 22°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- °C wind chill
- kph wind from SW
St John weather for Monday 28th July 2025
Expect broken clouds in St John, New Brunswick with a maximum temperature of 23°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (High)
- mm of rainfall expected
- no heat & humidity
- kph wind from SW
St John weather for Tuesday 29th July 2025
Expect isolated thunderstorms in St John, New Brunswick with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a gentle breeze of 17 kph from the south.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from S
St John weather for Wednesday 30th July 2025
Expect isolated thunderstorms in St John, New Brunswick with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 50% chance of some rain and a light breeze of 10 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- isolated thunderstorms
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from SW
St John weather for Thursday 31st July 2025
Expect sunshine and showers in St John, New Brunswick with a maximum temperature of 22°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a light breeze of 10 kph from the west.
- °C maximum temperature
- °C minimum temperature
- sunshine and showers
- hours of sunshine
- UV index (High)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- kph wind from W
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Metric (°C / mm) | Imperial (°F / inches)
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