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
| 29 January 2026 Thu 20.1 ° C ( 68.2°F )  Clear |
Feels Like : 20.1 ° C / 68.2°F Humidity : % 73 Pressure : 1023 mb Wind Speed : 4.7 kmph / 2.9 miles from SE 
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 |
|---|---|---|---|---|---|---|---|
| 29 January 2026 Thu |  Patchy rain nearby |
18.4 ° C | 32.4 ° C | 24.2 ° C | % 49 | 24.5 km/h | 89% |
| 30 January 2026 Fri |  Moderate rain |
17.2 ° C | 29.6 ° C | 21.2 ° C | % 65 | 25.2 km/h | 89% |
| 31 January 2026 Sat | Moderate rain |
16.7 ° C | 28.3 ° C | 20.3 ° C | % 73 | 19.1 km/h | 78% |
| 01 February 2026 Sun | Moderate rain |
16.5 ° C | 28.6 ° C | 20.8 ° C | % 70 | 15.8 km/h | 89% |
| 02 February 2026 Mon | Patchy rain nearby |
15.8 ° C | 29.4 ° C | 20.9 ° C | % 68 | 16.6 km/h | 85% |
| 03 February 2026 Tue | Patchy rain nearby |
17.2 ° C | 29.1 ° C | 22.9 ° C | % 56 | 19.1 km/h | 80% |
| 04 February 2026 Wed | Patchy rain nearby |
17.6 ° C | 27.6 ° C | 21.4 ° C | % 71 | 14.8 km/h | 81% |
| 05 February 2026 Thu | Patchy rain nearby |
17.1 ° C | 27.7 ° C | 21.3 ° C | % 71 | 16.9 km/h | 76% |
| 06 February 2026 Fri | Moderate rain |
16.8 ° C | 25.7 ° C | 20.5 ° C | % 73 | 23.8 km/h | 85% |
| 07 February 2026 Sat | Patchy rain nearby |
16.9 ° C | 24.7 ° C | 20.8 ° C | % 67 | 12.6 km/h | 0% |
| 08 February 2026 Sun | Sunny |
17.2 ° C | 28.3 ° C | 23 ° C | % 51 | 14 km/h | 0% |
| 09 February 2026 Mon | Patchy rain nearby |
18 ° C | 27.5 ° C | 21.4 ° C | % 60 | 18.7 km/h | 84% |
| 10 February 2026 Tue | Patchy rain nearby |
17.5 ° C | 28.7 ° C | 21.7 ° C | % 64 | 24.1 km/h | 85% |
| 11 February 2026 Wed | Moderate rain |
17.1 ° C | 25.7 ° C | 19.6 ° C | % 76 | 17.6 km/h | 87% |
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