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
| 28 October 2026 Wed 28.2 ° C ( 82.7°F )  Sunny |
Feels Like : 24 ° C / 75.2°F Humidity : % 13 Pressure : 1012 mb Wind Speed : 9.4 kmph / 5.8 miles from S 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 3 |
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 |
|---|---|---|---|---|---|---|---|
| 28 October 2026 Wed | Sunny |
13.2 ° C | 28.5 ° C | 21.9 ° C | % 34 | 18 km/h | 1% |
| 29 October 2026 Thu | Sunny |
15.6 ° C | 30.3 ° C | 23.6 ° C | % 31 | 15.5 km/h | 1% |
| 30 October 2026 Fri | Sunny |
15.9 ° C | 30.9 ° C | 23.8 ° C | % 36 | 16.6 km/h | 1% |
| 31 October 2026 Sat | Sunny |
17.6 ° C | 31.9 ° C | 25.1 ° C | % 33 | 16.6 km/h | 2% |
| 01 November 2026 Sun |  Overcast |
19.2 ° C | 33 ° C | 26 ° C | % 34 | 21.6 km/h | 17% |
| 02 November 2026 Mon |  Patchy rain nearby |
19.9 ° C | 31.9 ° C | 25.3 ° C | % 40 | 19.4 km/h | 57% |
| 03 November 2026 Tue |  Partly Cloudy |
21.3 ° C | 32.7 ° C | 25.8 ° C | % 39 | 18.4 km/h | 3% |
| 04 November 2026 Wed | Sunny |
20.5 ° C | 32.9 ° C | 26.5 ° C | % 36 | 16.9 km/h | 2% |
| 05 November 2026 Thu | Sunny |
18.8 ° C | 32 ° C | 24.9 ° C | % 50 | 16.9 km/h | 57% |
| 06 November 2026 Fri |  Light rain shower |
17.8 ° C | 23.8 ° C | 20.3 ° C | % 73 | 13.7 km/h | 80% |
| 07 November 2026 Sat | Patchy rain nearby |
16.9 ° C | 21.9 ° C | 18.5 ° C | % 82 | 16.2 km/h | 88% |
| 08 November 2026 Sun | Light rain shower |
17 ° C | 23.5 ° C | 20.3 ° C | % 70 | 17.3 km/h | 72% |
| 09 November 2026 Mon | Patchy rain nearby |
15.7 ° C | 26.5 ° C | 20.8 ° C | % 60 | 14.4 km/h | 42% |
| 10 November 2026 Tue | Partly Cloudy |
16.2 ° C | 26.5 ° C | 21 ° C | % 64 | 12.2 km/h | 10% |
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