Port St. Johns Airport (JOH) 15 Day Weather Forecast, Port St. Johns South Africa
Current weather conditions and 15 day weather forecast for Port St. Johns Airport in Port St. Johns, 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 JOH
| 20 December 2025 Sat 17.2 ° C ( 63°F )  Partly Cloudy |
Feels Like : 17.2 ° C / 63°F Humidity : % 85 Pressure : 1017 mb Wind Speed : 10.4 kmph / 6.5 miles from W 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 62 |
15-day weather forecast for Port St. Johns Airport, Port St. Johns, South Africa
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 20 December 2025 Sat |  Patchy rain nearby |
17.2 ° C | 23.4 ° C | 20.5 ° C | % 82 | 14.4 km/h | 91% |
| 21 December 2025 Sun |  Moderate rain |
19.6 ° C | 26.2 ° C | 22.8 ° C | % 85 | 29.2 km/h | 89% |
| 22 December 2025 Mon | Patchy rain nearby |
19.8 ° C | 28.2 ° C | 23.9 ° C | % 79 | 43.6 km/h | 78% |
| 23 December 2025 Tue | Patchy rain nearby |
21.5 ° C | 28.3 ° C | 24.2 ° C | % 80 | 23.4 km/h | 89% |
| 24 December 2025 Wed | Patchy rain nearby |
20.1 ° C | 24.5 ° C | 22.7 ° C | % 86 | 27.7 km/h | 87% |
| 25 December 2025 Thu | Patchy rain nearby |
17.8 ° C | 20.4 ° C | 19.3 ° C | % 83 | 18 km/h | 86% |
| 26 December 2025 Fri | Patchy rain nearby |
16.1 ° C | 21.3 ° C | 18.9 ° C | % 78 | 14.4 km/h | 88% |
| 27 December 2025 Sat | Moderate rain |
17.8 ° C | 20 ° C | 18.9 ° C | % 89 | 16.2 km/h | 87% |
| 28 December 2025 Sun | Patchy rain nearby |
15.9 ° C | 21.2 ° C | 18.6 ° C | % 76 | 11.5 km/h | 86% |
| 29 December 2025 Mon |  Sunny |
14.7 ° C | 24.5 ° C | 20.1 ° C | % 73 | 29.9 km/h | 0% |
| 30 December 2025 Tue | Patchy rain nearby |
18.1 ° C | 26.9 ° C | 22.4 ° C | % 78 | 36.4 km/h | 87% |
| 31 December 2025 Wed | Partly Cloudy |
18.5 ° C | 26.2 ° C | 22.4 ° C | % 80 | 22 km/h | 0% |
| 01 January 2026 Thu | Patchy rain nearby |
19.7 ° C | 26.3 ° C | 23 ° C | % 80 | 28.8 km/h | 0% |
| 02 January 2026 Fri | Sunny |
18.5 ° C | 27.5 ° C | 23 ° C | % 77 | 36.4 km/h | 0% |
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