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
| 01 February 2026 Sun 21.3 ° C ( 70.3°F )  Sunny |
Feels Like : 21.3 ° C / 70.3°F Humidity : % 64 Pressure : 1024 mb Wind Speed : 13.7 kmph / 8.5 miles from NNW 
Visibility : 10 km Precipitation (rainfall) : 0 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 |
|---|---|---|---|---|---|---|---|
| 01 February 2026 Sun |  Patchy rain nearby |
16.8 ° C | 29.8 ° C | 21.5 ° C | % 59 | 22.7 km/h | 78% |
| 02 February 2026 Mon | Patchy rain nearby |
16.3 ° C | 32.4 ° C | 22.8 ° C | % 55 | 24.8 km/h | 84% |
| 03 February 2026 Tue | Patchy rain nearby |
16.9 ° C | 32 ° C | 22.8 ° C | % 52 | 19.1 km/h | 83% |
| 04 February 2026 Wed |  Moderate rain |
17.2 ° C | 30.1 ° C | 22 ° C | % 63 | 23.4 km/h | 79% |
| 05 February 2026 Thu | Moderate rain |
17.1 ° C | 30.7 ° C | 22.1 ° C | % 63 | 21.6 km/h | 88% |
| 06 February 2026 Fri | Patchy rain nearby |
17 ° C | 26.3 ° C | 20.9 ° C | % 70 | 20.2 km/h | 89% |
| 07 February 2026 Sat | Patchy rain nearby |
17.6 ° C | 26.5 ° C | 20.9 ° C | % 67 | 11.2 km/h | 84% |
| 08 February 2026 Sun | Patchy rain nearby |
16.4 ° C | 26.7 ° C | 20.7 ° C | % 70 | 12.6 km/h | 62% |
| 09 February 2026 Mon | Moderate rain |
16.5 ° C | 29.3 ° C | 20.6 ° C | % 73 | 18 km/h | 86% |
| 10 February 2026 Tue | Patchy rain nearby |
16.6 ° C | 23 ° C | 19.7 ° C | % 79 | 8.6 km/h | 79% |
| 11 February 2026 Wed | Patchy rain nearby |
17.3 ° C | 23.2 ° C | 20 ° C | % 76 | 14.8 km/h | 89% |
| 12 February 2026 Thu | Moderate rain |
16.4 ° C | 24.5 ° C | 19.8 ° C | % 80 | 11.9 km/h | 76% |
| 13 February 2026 Fri | Patchy rain nearby |
15.5 ° C | 22.7 ° C | 19 ° C | % 79 | 14.4 km/h | 76% |
| 14 February 2026 Sat | Patchy rain nearby |
15.3 ° C | 24.5 ° C | 20 ° C | % 69 | 10.1 km/h | 74% |
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