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
| 23 August 2026 Sun 15.3 ° C ( 59.6°F )  Clear |
Feels Like : 12 ° C / 53.6°F Humidity : % 42 Pressure : 1026 mb Wind Speed : 9 kmph / 5.6 miles from NE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 1 |
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 |
|---|---|---|---|---|---|---|---|
| 24 August 2026 Mon | Sunny |
13.3 ° C | 24 ° C | 18.4 ° C | % 34 | 13 km/h | 1% |
| 25 August 2026 Tue | Sunny |
15.7 ° C | 24.9 ° C | 20.1 ° C | % 23 | 11.5 km/h | 0% |
| 26 August 2026 Wed |  Overcast |
16.5 ° C | 24.5 ° C | 20.4 ° C | % 19 | 18 km/h | 5% |
| 27 August 2026 Thu | Overcast |
13.3 ° C | 22.1 ° C | 16.9 ° C | % 56 | 20.2 km/h | 71% |
| 28 August 2026 Fri | Sunny |
12 ° C | 21.9 ° C | 17 ° C | % 53 | 13.3 km/h | 3% |
| 29 August 2026 Sat | Sunny |
13.8 ° C | 22.3 ° C | 18 ° C | % 39 | 15.8 km/h | 2% |
| 30 August 2026 Sun | Sunny |
13.4 ° C | 21.5 ° C | 17.6 ° C | % 35 | 16.6 km/h | 1% |
| 31 August 2026 Mon | Sunny |
14.3 ° C | 24.9 ° C | 19.3 ° C | % 28 | 22 km/h | 3% |
| 01 September 2026 Tue | Sunny |
14.3 ° C | 23.5 ° C | 18.8 ° C | % 25 | 15.8 km/h | 1% |
| 02 September 2026 Wed | Sunny |
15.2 ° C | 26.1 ° C | 20.5 ° C | % 25 | 21.2 km/h | 1% |
| 03 September 2026 Thu | Sunny |
12.1 ° C | 23.8 ° C | 19.5 ° C | % 33 | 31.3 km/h | 36% |
| 04 September 2026 Fri | Sunny |
5.1 ° C | 13.6 ° C | 9.7 ° C | % 30 | 28.4 km/h | 1% |
| 05 September 2026 Sat | Sunny |
7.8 ° C | 18.1 ° C | 12.9 ° C | % 21 | 15.5 km/h | 0% |
| 06 September 2026 Sun | Sunny |
10.7 ° C | 21.1 ° C | 16 ° C | % 29 | 11.9 km/h | 0% |
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