Today's Weather Forecast - St Johns
Today's weather in St Johns. high 18°C (64°F), low 6°C (43°F). Mainly Clear.
Today’s Hourly Weather Outlook
Morning6 AM – Noon11°
- Wind speed
- 17 km/h
- Rain probability
- 0%
AfternoonNoon – 6 PM17°
- Wind speed
- 12 km/h
- Rain probability
- 0%
Evening6 PM – Midn12°
- Wind speed
- 15 km/h
- Rain probability
- 0%
NightMidn – 6 AM7°
- Wind speed
- 16 km/h
- Rain probability
- 0%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Sunrise
Dawn 5:49 AMTotal Daylight
Day completeSolar noon 12:11 PM
Sunset
Dusk 6:32 PMRemainingDaylight ended
Solar elevation-60°
vs yesterday+1 min
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: PM2.5
- Monitoring station
- Northern Adelaide (Elizabeth)
- PM2.5
- 20μg/m³
- PM10
- 15μg/m³
- O₃
- 11.4ppb
- NO₂
- 0.5ppb
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
St Johns is forecast to reach a high of 18°C today, with an overnight low around 6°C. Expect little chance of rain (0% probability) and a gentle breeze averaging 17 km/h. Air quality is currently good (AQI 27), with no notable outdoor health concerns.
Today vs Normal
18°C0° below normal
The long-term average high for today is 18°C.
15 of the last 19 days with published data ran above normal.
That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air Quality
Good
Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.