Johannesburg International Airport (JNB) 15 Day Weather Forecast, Johannesburg South Africa
Current weather conditions and 15 day weather forecast for Johannesburg International Airport in Johannesburg, South Africa including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at JNB
| 13 September 2026 Sun 21.1 ° C ( 70°F )  Sunny |
Feels Like : 17.5 ° C / 63.5°F Humidity : % 30 Pressure : 1020 mb Wind Speed : 10.8 kmph / 6.7 miles from N 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Johannesburg International Airport, Johannesburg, South Africa
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun | Sunny |
15.9 ° C | 25.1 ° C | 20.9 ° C | % 29 | 11.2 km/h | 0% |
| 14 September 2026 Mon | Sunny |
15.6 ° C | 24.5 ° C | 19.7 ° C | % 40 | 25.9 km/h | 17% |
| 15 September 2026 Tue |  Patchy rain nearby |
13.2 ° C | 23.8 ° C | 18.7 ° C | % 45 | 25.6 km/h | 62% |
| 16 September 2026 Wed | Sunny |
15 ° C | 26.7 ° C | 21 ° C | % 31 | 20.5 km/h | 1% |
| 17 September 2026 Thu | Sunny |
16 ° C | 28.6 ° C | 21.8 ° C | % 44 | 25.2 km/h | 17% |
| 18 September 2026 Fri | Patchy rain nearby |
13.2 ° C | 18.1 ° C | 15.5 ° C | % 72 | 25.9 km/h | 74% |
| 19 September 2026 Sat |  Light rain shower |
8.2 ° C | 12.5 ° C | 9.6 ° C | % 85 | 28.8 km/h | 90% |
| 20 September 2026 Sun |  Overcast |
9.5 ° C | 13.3 ° C | 11.2 ° C | % 82 | 24.8 km/h | 88% |
| 21 September 2026 Mon | Overcast |
10.1 ° C | 19.9 ° C | 14.9 ° C | % 65 | 18 km/h | 11% |
| 22 September 2026 Tue | Overcast |
13.9 ° C | 21.6 ° C | 17.8 ° C | % 55 | 13.3 km/h | 43% |
| 23 September 2026 Wed | Patchy rain nearby |
15.5 ° C | 22.5 ° C | 18.9 ° C | % 54 | 14.4 km/h | 58% |
| 24 September 2026 Thu | Sunny |
16 ° C | 23.5 ° C | 19.6 ° C | % 42 | 17.6 km/h | 3% |
| 25 September 2026 Fri | Overcast |
14.8 ° C | 21.8 ° C | 18.7 ° C | % 49 | 18.7 km/h | 43% |
| 26 September 2026 Sat | Overcast |
14.1 ° C | 21 ° C | 17.8 ° C | % 41 | 28.4 km/h | 57% |
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