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

21 December 2025 Sun
17.3 ° C
( 63.1°F )

Light rain shower
Light rain shower
Feels Like : 17.3 ° C / 63.1°F
Humidity : % 94
Pressure : 1021 mb
Wind Speed : 9.7 kmph / 6 miles from ENEENE
Visibility : 10 km
Precipitation (rainfall) : 0.29 mm
Cloud (%) : 0

15-day weather forecast for Johannesburg International Airport, Johannesburg, South Africa

Date Weather forecast Low temperature High temperature Average Temperature Humidity Wind Chance of rain
21 December 2025 Sun Moderate rain Moderate rain 16.4 ° C 19.5 ° C 18.3 ° C % 73 14 km/h 96%
22 December 2025 Mon Moderate rain Moderate rain 14.9 ° C 22.5 ° C 18.3 ° C % 80 15.8 km/h 85%
23 December 2025 Tue Moderate rain Moderate rain 14.8 ° C 25.4 ° C 19.2 ° C % 74 15.8 km/h 88%
24 December 2025 Wed Moderate rain Moderate rain 16.2 ° C 27.7 ° C 21.2 ° C % 67 11.5 km/h 87%
25 December 2025 Thu Moderate rain Moderate rain 15.8 ° C 26.7 ° C 20 ° C % 74 15.1 km/h 88%
26 December 2025 Fri Moderate rain Moderate rain 15.4 ° C 26.6 ° C 19.7 ° C % 76 35.3 km/h 88%
27 December 2025 Sat Patchy rain nearby Patchy rain nearby 15.8 ° C 25.4 ° C 19.6 ° C % 67 23.4 km/h 86%
28 December 2025 Sun Patchy rain nearby Patchy rain nearby 15.1 ° C 25.7 ° C 19.6 ° C % 70 17.6 km/h 85%
29 December 2025 Mon Patchy rain nearby Patchy rain nearby 12.7 ° C 20.6 ° C 16.3 ° C % 76 18 km/h 82%
30 December 2025 Tue Partly Cloudy  Partly Cloudy 12.2 ° C 26.3 ° C 19.7 ° C % 57 7.6 km/h 0%
31 December 2025 Wed Sunny Sunny 17.9 ° C 27.9 ° C 22.7 ° C % 45 13 km/h 0%
01 January 2026 Thu Sunny Sunny 17.2 ° C 27.8 ° C 22.7 ° C % 48 19.4 km/h 0%
02 January 2026 Fri Partly Cloudy  Partly Cloudy 17.1 ° C 26.6 ° C 21.9 ° C % 59 18.7 km/h 0%
03 January 2026 Sat Patchy rain nearby Patchy rain nearby 16.6 ° C 27.5 ° C 21.8 ° C % 64 17.3 km/h 79%
Weather forecasts are usually fully updated every 3 hours.

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