Today's Weather Forecast - St. John's
Today's weather in St. John's. high 18°C (64°F), low 13°C (55°F). Sunny.
Today’s Hourly Weather Outlook
- Wind speed
- 26 km/h
- Rain probability
- 32%
- Wind speed
- 31 km/h
- Rain probability
- 10%
- Wind speed
- 31 km/h
- Rain probability
- 2%
- Wind speed
- 32 km/h
- Rain probability
- 100%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: PM2.5
- Monitoring station
- St. John's, NewFoundland, Canada
- PM2.5
- 14μg/m³
- PM10
- 7μg/m³
- O₃
- 8.5ppb
- NO₂
- 0.7ppb
- SO₂
- 0.3ppb
- CO
- 0.1ppm
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
St. John's is forecast to reach a high of 18°C today, with an overnight low around 13°C. That's 3° above the long-term average high of 15°C for this time of year. It continues a recent pattern — 16 of the last 28 days with published data have run warmer than normal. Expect a high chance of rain (100% probability) and moderate breezes averaging 32 km/h. Air quality is currently good (AQI 39), with no notable outdoor health concerns.
Today vs Normal
The long-term average high for today is 15°C.
16 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.