Today's Weather Forecast - Johannesburg
Today's weather in Johannesburg. high 22°C (72°F), low 10°C (50°F). Sunny.
Today’s Hourly Weather Outlook
- Wind speed
- 8 km/h
- Rain probability
- 0%
- Wind speed
- 4 km/h
- Rain probability
- 0%
- Wind speed
- 5 km/h
- Rain probability
- 0%
- Wind speed
- 6 km/h
- Rain probability
- 0%
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
- Alexandra-NAQI, City of Johannesburg, South Africa
- PM2.5
- 44μg/m³
- PM10
- 16μg/m³
- NO₂
- 0.1ppb
- SO₂
- 1.3ppb
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Johannesburg is forecast to reach a high of 22°C today, with an overnight low around 10°C. That's 4° below the long-term average high of 26°C for this time of year. Expect little chance of rain (0% probability) and a gentle breeze averaging 8 km/h. Air quality is currently Unhealthy for Sensitive Groups (AQI 120), driven mainly by O₃ at 189 μg/m³.
Today vs Normal
The long-term average high for today is 26°C.
16 of the last 28 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
Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.