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
| 24 August 2026 Mon 16.4 ° C ( 61.5°F )  Clear |
Feels Like : 15.5 ° C / 59.9°F Humidity : % 74 Pressure : 1025 mb Wind Speed : 7.6 kmph / 4.7 miles from NNW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
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 |
|---|---|---|---|---|---|---|---|
| 24 August 2026 Mon | Sunny |
16 ° C | 19.5 ° C | 17.9 ° C | % 65 | 12.6 km/h | 4% |
| 25 August 2026 Tue | Sunny |
17.2 ° C | 19.9 ° C | 18.5 ° C | % 67 | 17.6 km/h | 36% |
| 26 August 2026 Wed |  Patchy rain nearby |
18.4 ° C | 20.2 ° C | 19.1 ° C | % 71 | 31.7 km/h | 75% |
| 27 August 2026 Thu |  Light rain shower |
18.3 ° C | 20.3 ° C | 19.5 ° C | % 82 | 57.6 km/h | 79% |
| 28 August 2026 Fri |  Overcast |
19.2 ° C | 21.9 ° C | 20.9 ° C | % 78 | 33.5 km/h | 26% |
| 29 August 2026 Sat | Sunny |
20.7 ° C | 22.2 ° C | 21.5 ° C | % 77 | 47.2 km/h | 10% |
| 30 August 2026 Sun | Overcast |
19.5 ° C | 21.9 ° C | 21.1 ° C | % 78 | 43.6 km/h | 51% |
| 31 August 2026 Mon | Light rain shower |
17 ° C | 19.1 ° C | 17.7 ° C | % 81 | 40 km/h | 88% |
| 01 September 2026 Tue | Overcast |
14.8 ° C | 17 ° C | 16.2 ° C | % 75 | 29.5 km/h | 81% |
| 02 September 2026 Wed | Sunny |
16.9 ° C | 21.9 ° C | 19.6 ° C | % 78 | 33.5 km/h | 10% |
| 03 September 2026 Thu | Sunny |
15.4 ° C | 24.2 ° C | 21.1 ° C | % 55 | 53.6 km/h | 57% |
| 04 September 2026 Fri | Sunny |
13.8 ° C | 18.1 ° C | 15.9 ° C | % 57 | 52.6 km/h | 57% |
| 05 September 2026 Sat | Sunny |
14.1 ° C | 17.7 ° C | 15.9 ° C | % 50 | 26.3 km/h | 2% |
| 06 September 2026 Sun | Sunny |
15.5 ° C | 19.2 ° C | 17.6 ° C | % 62 | 15.8 km/h | 4% |
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