Outdoor Work conditions
Is It Too Hot to Work Outside in Johannesburg Today?
Use the environmental risk signals below to adjust timing, intensity, shade, and recovery.
Forecast conditions
Fair
Adjust pace and take regular water breaks.
Heat index
17°C
WBGT est.
11.3°C
UV
0.0
Hourly outdoor work conditions
| Time | Temperature | Heat index | Estimated WBGT | UV | Risk |
|---|---|---|---|---|---|
| 07 | 17°C | 17°C | 13.3°C | 0.3 | Low |
| 09 | 20°C | 20°C | 15.1°C | 3.4 | Low |
| 11 | 22°C | 23°C | 16.7°C | 8.4 | Low |
| 13 | 24°C | 23°C | 17.5°C | 8.7 | Low |
| 15 | 25°C | 24°C | 17.8°C | 4.1 | Low |
| 17 | 25°C | 24°C | 17.6°C | 0.5 | Low |
| 08 | 17°C | 17°C | 14.6°C | 1.4 | Low |
| 10 | 21°C | 21°C | 16.4°C | 6.1 | Low |
Three-day forecast
Sunday
Heat index up to 24°C
25°C / 16°C
LowMonday
Heat index up to 24°C
24°C / 13°C
LowTuesday
Heat index up to 24°C
22°C / 13°C
LowKnow when it's safer to work outside
HeatGuard can notify you as conditions improve and keep this location saved.