Saint John Weather Forecast
Current Conditions & 10-Day Outlook
Current Weather Conditions in Saint John
Saint John
New Brunswick, Canada
OvercastHourly Saint John Weather Forecast
18°17°16°14°14°14°14°
13°15°16°
15°17°14°17°19°20°21°23°
23°23°24°23°22°18°Gentle wind.
Very high chance of precipitation.
Saint John 10-Day Weather Outlook
Today's Weather in Saint John, New Brunswick, Canada
Fri, Jul 10
Sat, Jul 11
Sun, Jul 12
Mon, Jul 13
Tue, Jul 14
Wed, Jul 15
Thu, Jul 16
Fri, Jul 17
Sat, Jul 18
Feels like
Feels warmer than actual temperature.
Pressure
Expect stable weather conditions.
Humidity
High humidity.
UV
Take precautions.
Gusts
Max speed of wind gusts today.
Cloud Cover
Overcast, expect cloudy conditions.
Daylight
Long days, short nights.
Rain
No rain, dry conditions expected.
Snowfall
No snowfall expected.
Current Air Quality in Saint John
Get the app for the world’s most accurate hi-res weather forecasts.
4.8
1M+ USERS / 30K RATINGS
About Saint John Weather
General
This page provides the current weather forecast for Saint John, New Brunswick, Canada, including hourly conditions, a 10-day outlook, wind speed and direction, precipitation, UV index, and air quality - giving you everything you need to plan your day in one view.
Forecast & Methodology
The forecast data on this page is sourced from the ECMWF open-source model - a reliable global model used widely across weather services worldwide. For sailors, boaters, and mariners who need greater accuracy and higher resolution, PredictWind's proprietary forecast models deliver precision down to 1km resolution, updated multiple times daily and validated against real-world observations. Sign up free to access PredictWind's advanced forecasts.
Sailing & Marine Conditions
Saint John weather forecasts on PredictWind are optimised for sailors and boaters who need precise, reliable wind and wave data for passage planning and day sailing. PredictWind is used by ocean racers, cruising sailors, and commercial vessel operators across Canada and worldwide. For detailed marine conditions including wave height, swell period, and offshore wind forecasts, see the Saint John marine forecast.
Units
Wind speed is displayed in knots - the standard unit used by sailors, weather services, and maritime authorities. Temperature is shown in degrees Celsius. Use the toggle at the top of the page to switch between Celsius and Fahrenheit. Pressure is shown in hPa, rainfall in millimetres, and air quality is available in both US and EU AQI standards.