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
| 18 March 2026 Wed 20.7 ° C ( 69.3°F )  Clear |
Feels Like : 20.7 ° C / 69.3°F Humidity : % 92 Pressure : 1009 mb Wind Speed : 7.9 kmph / 4.9 miles from W 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 19 |
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 |
|---|---|---|---|---|---|---|---|
| 18 March 2026 Wed |  Moderate rain |
20.6 ° C | 28.3 ° C | 23.6 ° C | % 83 | 18.4 km/h | 89% |
| 19 March 2026 Thu | Sunny |
19.1 ° C | 28.9 ° C | 23.7 ° C | % 76 | 23 km/h | 0% |
| 20 March 2026 Fri | Moderate rain |
21.4 ° C | 26.5 ° C | 23.3 ° C | % 79 | 28.1 km/h | 84% |
| 21 March 2026 Sat | Moderate rain |
18.9 ° C | 20 ° C | 19.6 ° C | % 90 | 26.6 km/h | 86% |
| 22 March 2026 Sun |  Patchy rain nearby |
18.8 ° C | 26.4 ° C | 22.6 ° C | % 79 | 31.3 km/h | 88% |
| 23 March 2026 Mon | Sunny |
19.8 ° C | 28.9 ° C | 24.5 ° C | % 79 | 16.6 km/h | 0% |
| 24 March 2026 Tue | Sunny |
21.6 ° C | 30.2 ° C | 25.4 ° C | % 79 | 33.5 km/h | 0% |
| 25 March 2026 Wed | Patchy rain nearby |
22.4 ° C | 30 ° C | 25.2 ° C | % 78 | 27.4 km/h | 75% |
| 26 March 2026 Thu | Patchy rain nearby |
20.5 ° C | 21.3 ° C | 21.5 ° C | % 92 | 19.4 km/h | 84% |
| 27 March 2026 Fri | Patchy rain nearby |
20.4 ° C | 21.9 ° C | 21.1 ° C | % 91 | 9.7 km/h | 88% |
| 28 March 2026 Sat | Patchy rain nearby |
20.2 ° C | 28.3 ° C | 22.5 ° C | % 86 | 28.4 km/h | 87% |
| 29 March 2026 Sun | Patchy rain nearby |
19.4 ° C | 24.5 ° C | 22.1 ° C | % 86 | 27.4 km/h | 79% |
| 30 March 2026 Mon | Patchy rain nearby |
20.9 ° C | 24.3 ° C | 22.1 ° C | % 83 | 28.4 km/h | 87% |
| 31 March 2026 Tue | Sunny |
19.8 ° C | 26.8 ° C | 22.9 ° C | % 76 | 33.1 km/h | 0% |
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