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
| 14 November 2026 Sat 23 ° C ( 73.3°F )  Clear |
Feels Like : 20.8 ° C / 69.4°F Humidity : % 33 Pressure : 1013 mb Wind Speed : 6.5 kmph / 4 miles from SSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 4 |
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 |
|---|---|---|---|---|---|---|---|
| 14 November 2026 Sat | Sunny |
18.5 ° C | 29.7 ° C | 23.6 ° C | % 44 | 15.1 km/h | 64% |
| 15 November 2026 Sun |  Patchy rain nearby |
16 ° C | 25.8 ° C | 20.2 ° C | % 72 | 17.3 km/h | 68% |
| 16 November 2026 Mon |  Thundery outbreaks in nearby |
15.7 ° C | 27 ° C | 20 ° C | % 72 | 17.6 km/h | 76% |
| 17 November 2026 Tue | Patchy rain nearby |
16.1 ° C | 28.1 ° C | 21 ° C | % 64 | 13 km/h | 61% |
| 18 November 2026 Wed |  Cloudy |
15.2 ° C | 24.8 ° C | 20.1 ° C | % 69 | 15.8 km/h | 62% |
| 19 November 2026 Thu | Patchy rain nearby |
17.1 ° C | 28.9 ° C | 22.7 ° C | % 57 | 13.7 km/h | 36% |
| 20 November 2026 Fri |  Partly Cloudy |
19.6 ° C | 29.8 ° C | 24.1 ° C | % 51 | 17.3 km/h | 57% |
| 21 November 2026 Sat | Partly Cloudy |
19.7 ° C | 27.9 ° C | 23.2 ° C | % 58 | 18.7 km/h | 57% |
| 22 November 2026 Sun | Patchy rain nearby |
19.3 ° C | 28.3 ° C | 23.6 ° C | % 53 | 18 km/h | 57% |
| 23 November 2026 Mon |  Light rain shower |
19.8 ° C | 27.3 ° C | 22.9 ° C | % 61 | 18.4 km/h | 79% |
| 24 November 2026 Tue | Light rain shower |
17.7 ° C | 21.4 ° C | 19.6 ° C | % 81 | 16.9 km/h | 88% |
| 25 November 2026 Wed | Light rain shower |
16.5 ° C | 21.4 ° C | 18.3 ° C | % 86 | 14.8 km/h | 89% |
| 26 November 2026 Thu | Light rain shower |
16.2 ° C | 20.2 ° C | 17.8 ° C | % 89 | 13.3 km/h | 89% |
| 27 November 2026 Fri | Patchy rain nearby |
15.4 ° C | 24.1 ° C | 20 ° C | % 74 | 12.6 km/h | 45% |
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