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 March 2026 Sat 23 ° C ( 73.4°F )  Patchy rain nearby |
Feels Like : 24.6 ° C / 76.2°F Humidity : % 57 Pressure : 1022 mb Wind Speed : 9 kmph / 5.6 miles from ESE 
Visibility : 10 km Precipitation (rainfall) : 0.05 mm Cloud (%) : 0 |
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 March 2026 Sat | Patchy rain nearby |
12.7 ° C | 22 ° C | 17.6 ° C | % 61 | 10.1 km/h | 87% |
| 15 March 2026 Sun | Patchy rain nearby |
14.1 ° C | 26.3 ° C | 19.9 ° C | % 63 | 11.2 km/h | 88% |
| 16 March 2026 Mon | Patchy rain nearby |
16.3 ° C | 27.6 ° C | 20.8 ° C | % 61 | 15.1 km/h | 86% |
| 17 March 2026 Tue | Patchy rain nearby |
17.5 ° C | 29.2 ° C | 22.8 ° C | % 47 | 14 km/h | 85% |
| 18 March 2026 Wed | Patchy rain nearby |
17.5 ° C | 29.6 ° C | 22.3 ° C | % 56 | 16.9 km/h | 85% |
| 19 March 2026 Thu | Patchy rain nearby |
18.2 ° C | 30.3 ° C | 23.5 ° C | % 52 | 14.4 km/h | 0% |
| 20 March 2026 Fri | Patchy rain nearby |
17.3 ° C | 29.4 ° C | 22.7 ° C | % 52 | 15.8 km/h | 71% |
| 21 March 2026 Sat |  Sunny |
17.1 ° C | 28.5 ° C | 22.6 ° C | % 46 | 15.5 km/h | 0% |
| 22 March 2026 Sun | Sunny |
17.4 ° C | 29.6 ° C | 23.4 ° C | % 46 | 16.6 km/h | 0% |
| 23 March 2026 Mon | Patchy rain nearby |
19.8 ° C | 29.9 ° C | 24.2 ° C | % 41 | 19.1 km/h | 70% |
| 24 March 2026 Tue |  Moderate rain |
17.5 ° C | 24.7 ° C | 20.2 ° C | % 70 | 15.5 km/h | 86% |
| 25 March 2026 Wed | Patchy rain nearby |
15.9 ° C | 23.3 ° C | 19.5 ° C | % 73 | 16.2 km/h | 88% |
| 26 March 2026 Thu | Patchy rain nearby |
15.9 ° C | 20 ° C | 18.2 ° C | % 79 | 15.1 km/h | 87% |
| 27 March 2026 Fri | Patchy rain nearby |
15 ° C | 17 ° C | 15.8 ° C | % 84 | 13.3 km/h | 81% |
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