Johannesburg-Grand Central Airport (GCJ) 15 Day Weather Forecast, Johannesburg South Africa
Current weather conditions and 15 day weather forecast for Johannesburg-Grand Central 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 GCJ
| 03 October 2026 Sat 22.3 ° C ( 72.2°F )  Cloudy |
Feels Like : 19.9 ° C / 67.8°F Humidity : % 20 Pressure : 1015 mb Wind Speed : 3.6 kmph / 2.2 miles from N 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 81 |
15-day weather forecast for Johannesburg-Grand Central Airport, Johannesburg, South Africa
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 October 2026 Sat |  Sunny |
13.6 ° C | 24.2 ° C | 18.9 ° C | % 30 | 14.8 km/h | 2% |
| 04 October 2026 Sun |  Overcast |
13.4 ° C | 22.1 ° C | 18.5 ° C | % 35 | 23.8 km/h | 6% |
| 05 October 2026 Mon | Overcast |
13.4 ° C | 22.2 ° C | 18 ° C | % 45 | 17.3 km/h | 7% |
| 06 October 2026 Tue | Overcast |
15.2 ° C | 21.9 ° C | 19 ° C | % 47 | 11.2 km/h | 17% |
| 07 October 2026 Wed | Sunny |
16.3 ° C | 25.2 ° C | 21.1 ° C | % 42 | 19.1 km/h | 4% |
| 08 October 2026 Thu | Sunny |
15.5 ° C | 27.6 ° C | 22.1 ° C | % 45 | 16.2 km/h | 2% |
| 09 October 2026 Fri | Sunny |
20.1 ° C | 30.6 ° C | 25.5 ° C | % 28 | 14.4 km/h | 1% |
| 10 October 2026 Sat | Overcast |
21.6 ° C | 29.1 ° C | 25.5 ° C | % 30 | 16.2 km/h | 36% |
| 11 October 2026 Sun | Sunny |
18.8 ° C | 28.2 ° C | 22.8 ° C | % 45 | 19.1 km/h | 57% |
| 12 October 2026 Mon | Overcast |
18.6 ° C | 27.6 ° C | 22.3 ° C | % 46 | 16.2 km/h | 36% |
| 13 October 2026 Tue | Sunny |
17.9 ° C | 29.2 ° C | 24 ° C | % 35 | 12.6 km/h | 3% |
| 14 October 2026 Wed | Sunny |
20.2 ° C | 31.2 ° C | 25.5 ° C | % 31 | 20.2 km/h | 3% |
| 15 October 2026 Thu | Sunny |
19.8 ° C | 29.3 ° C | 24.5 ° C | % 31 | 18.4 km/h | 1% |
| 16 October 2026 Fri | Sunny |
19.5 ° C | 31.1 ° C | 25.6 ° C | % 31 | 15.8 km/h | 1% |
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