Johannesburg International Airport (JNB) 15 Day Weather Forecast, Johannesburg South Africa
Current weather conditions and 15 day weather forecast for Johannesburg International 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 JNB
| 14 August 2025 Thu 8.2 ° C ( 46.8°F )  Clear |
Feels Like : 7.7 ° C / 45.9°F Humidity : % 66 Pressure : 1027 mb Wind Speed : 5 kmph / 3.1 miles from NW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Johannesburg International Airport, Johannesburg, South Africa
| Date | |
|---|---|
| 15 August 2025 Fri | |
| Weather forecast | Sunny |
| Low temperature | 12.4 ° C |
| High temperature | 21.4 ° C |
| Average Temperature | 16.9 ° C |
| Humidity | % 26 |
| Wind | 12.2 km/h |
| Chance of rain | 0% |
| 16 August 2025 Sat | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 13.1 ° C |
| High temperature | 21 ° C |
| Average Temperature | 16.5 ° C |
| Humidity | % 31 |
| Wind | 20.2 km/h |
| Chance of rain | 84% |
| 17 August 2025 Sun | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 11.3 ° C |
| High temperature | 21.1 ° C |
| Average Temperature | 15.8 ° C |
| Humidity | % 46 |
| Wind | 18 km/h |
| Chance of rain | 88% |
| 18 August 2025 Mon | |
| Weather forecast | Sunny |
| Low temperature | 10.8 ° C |
| High temperature | 20.9 ° C |
| Average Temperature | 15.9 ° C |
| Humidity | % 49 |
| Wind | 17.3 km/h |
| Chance of rain | 0% |
| 19 August 2025 Tue | |
| Weather forecast | Sunny |
| Low temperature | 12.4 ° C |
| High temperature | 22.5 ° C |
| Average Temperature | 15.9 ° C |
| Humidity | % 46 |
| Wind | 14.8 km/h |
| Chance of rain | 0% |
| 20 August 2025 Wed | |
| Weather forecast | Sunny |
| Low temperature | 15.6 ° C |
| High temperature | 24.9 ° C |
| Average Temperature | 19.9 ° C |
| Humidity | % 25 |
| Wind | 15.5 km/h |
| Chance of rain | 0% |
| 21 August 2025 Thu | |
| Weather forecast | Sunny |
| Low temperature | 16.5 ° C |
| High temperature | 27 ° C |
| Average Temperature | 21.3 ° C |
| Humidity | % 18 |
| Wind | 18 km/h |
| Chance of rain | 0% |
| 22 August 2025 Fri | |
| Weather forecast | Sunny |
| Low temperature | 16.5 ° C |
| High temperature | 27.6 ° C |
| Average Temperature | 22 ° C |
| Humidity | % 14 |
| Wind | 12.6 km/h |
| Chance of rain | 0% |
| 23 August 2025 Sat | |
| Weather forecast | Sunny |
| Low temperature | 17.9 ° C |
| High temperature | 26.9 ° C |
| Average Temperature | 22.1 ° C |
| Humidity | % 15 |
| Wind | 22.7 km/h |
| Chance of rain | 0% |
| 24 August 2025 Sun | |
| Weather forecast | Sunny |
| Low temperature | 17.7 ° C |
| High temperature | 27.3 ° C |
| Average Temperature | 22.3 ° C |
| Humidity | % 13 |
| Wind | 19.4 km/h |
| Chance of rain | 0% |
| 25 August 2025 Mon | |
| Weather forecast | Sunny |
| Low temperature | 16.6 ° C |
| High temperature | 25.7 ° C |
| Average Temperature | 21 ° C |
| Humidity | % 17 |
| Wind | 21.2 km/h |
| Chance of rain | 0% |
| 26 August 2025 Tue | |
| Weather forecast | Sunny |
| Low temperature | 16.3 ° C |
| High temperature | 26.7 ° C |
| Average Temperature | 21.4 ° C |
| Humidity | % 13 |
| Wind | 16.2 km/h |
| Chance of rain | 0% |
| 27 August 2025 Wed | |
| Weather forecast | Sunny |
| Low temperature | 15.9 ° C |
| High temperature | 26.7 ° C |
| Average Temperature | 21.5 ° C |
| Humidity | % 18 |
| Wind | 13 km/h |
| Chance of rain | 0% |
| 28 August 2025 Thu | |
| Weather forecast | Sunny |
| Low temperature | 17.3 ° C |
| High temperature | 26.5 ° C |
| Average Temperature | 21.6 ° C |
| Humidity | % 14 |
| Wind | 16.9 km/h |
| Chance of rain | 0% |
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 15 August 2025 Fri | Sunny |
12.4 ° C | 21.4 ° C | 16.9 ° C | % 26 | 12.2 km/h | 0% |
| 16 August 2025 Sat | Patchy rain nearby |
13.1 ° C | 21 ° C | 16.5 ° C | % 31 | 20.2 km/h | 84% |
| 17 August 2025 Sun | Patchy rain nearby |
11.3 ° C | 21.1 ° C | 15.8 ° C | % 46 | 18 km/h | 88% |
| 18 August 2025 Mon | Sunny |
10.8 ° C | 20.9 ° C | 15.9 ° C | % 49 | 17.3 km/h | 0% |
| 19 August 2025 Tue | Sunny |
12.4 ° C | 22.5 ° C | 15.9 ° C | % 46 | 14.8 km/h | 0% |
| 20 August 2025 Wed | Sunny |
15.6 ° C | 24.9 ° C | 19.9 ° C | % 25 | 15.5 km/h | 0% |
| 21 August 2025 Thu | Sunny |
16.5 ° C | 27 ° C | 21.3 ° C | % 18 | 18 km/h | 0% |
| 22 August 2025 Fri | Sunny |
16.5 ° C | 27.6 ° C | 22 ° C | % 14 | 12.6 km/h | 0% |
| 23 August 2025 Sat | Sunny |
17.9 ° C | 26.9 ° C | 22.1 ° C | % 15 | 22.7 km/h | 0% |
| 24 August 2025 Sun | Sunny |
17.7 ° C | 27.3 ° C | 22.3 ° C | % 13 | 19.4 km/h | 0% |
| 25 August 2025 Mon | Sunny |
16.6 ° C | 25.7 ° C | 21 ° C | % 17 | 21.2 km/h | 0% |
| 26 August 2025 Tue | Sunny |
16.3 ° C | 26.7 ° C | 21.4 ° C | % 13 | 16.2 km/h | 0% |
| 27 August 2025 Wed | Sunny |
15.9 ° C | 26.7 ° C | 21.5 ° C | % 18 | 13 km/h | 0% |
| 28 August 2025 Thu | Sunny |
17.3 ° C | 26.5 ° C | 21.6 ° C | % 14 | 16.9 km/h | 0% |
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