St John weather live forecast

Today's maximum temperature in St John is expected to be 9°C. Select a day from the live weather forecast for St John, New Brunswick, Canada for more weather parameters.

  • Tuesday
    13th Oct
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Wednesday
    14th Oct
    Cloudy with some rain (20-30 mm of rainfall expected)
  • Thursday
    15th Oct
    Broken clouds
  • Friday
    16th Oct
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Saturday
    17th Oct
    Mostly cloudy with rain (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Tuesday 13th October 2026 GMT

More about St John

St John by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New Brunswick

Air Canada: Top flight deals to Canada

  • Discover top Air Canada offers on flights to Canada
  • Browse lowest fares available or search by date
  • Book flights to Toronto, Vancouver, Calgary, Montreal & more
Go to Air Canada deal >>

View all Air Canada offers

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 Tuesday 13th October 2026

Expect mostly cloudy with light rain in St John, New Brunswick with a maximum temperature of 9°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 96% chance of some rain and a moderate breeze of 25 kph from the north-east.

  • 9°C maximum temperature9
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 96% chance of some rain96
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Moderate breeze of 25 kph from the North-East25
    kph wind from NE

Back to top

St John weather for Wednesday 14th October 2026

Expect cloudy with some rain in St John, New Brunswick with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and a fresh breeze of 33 kph from the south-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 100% chance of some rain100
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 33 kph from the South-East33
    kph wind from SE

Back to top

St John weather for Thursday 15th October 2026

Expect broken clouds in St John, New Brunswick with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the north-west.

  • 11°C maximum temperature11
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 35 kph from the North-West35
    kph wind from NW

Back to top

St John weather for Friday 16th October 2026

Expect mostly cloudy with rain in St John, New Brunswick with a maximum temperature of 8°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a moderate breeze of 27 kph from the south-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 98% chance of some rain98
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Moderate breeze of 27 kph from the South-East27
    kph wind from SE

Back to top

St John weather for Saturday 17th October 2026

Expect mostly cloudy with rain in St John, New Brunswick with a maximum temperature of 7°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and a fresh breeze of 37 kph from the north-west.

  • 7°C maximum temperature7
    °C maximum temperature
  • -1°C minimum temperature-1
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 58% chance of some rain58
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Fresh breeze of 37 kph from the North-West37
    kph wind from NW

Back to top

Canadian Affair: Latest special offers on holidays

  • Save on holidays to Canada with top deals & discounts
  • Book holidays, cruises, ski breaks & tours to Canada
  • Offers include discounts, upgrades & more
Go to Canadian Affair deal >>

View all Canadian Affair offers

More about Canada

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^