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
| 13 September 2026 Sun 21.7 ° C ( 71°F )  Patchy rain nearby |
Feels Like : 18.7 ° C / 65.7°F Humidity : % 86 Pressure : 1017 mb Wind Speed : 32.8 kmph / 20.4 miles from ENE 
Visibility : 10 km Precipitation (rainfall) : 0.1 mm Cloud (%) : 89 |
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 |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun | Patchy rain nearby |
20.5 ° C | 21.8 ° C | 21.1 ° C | % 89 | 37.4 km/h | 78% |
| 14 September 2026 Mon |  Overcast |
20.6 ° C | 23 ° C | 21.7 ° C | % 83 | 58 km/h | 76% |
| 15 September 2026 Tue |  Sunny |
20 ° C | 21.4 ° C | 20.7 ° C | % 76 | 25.6 km/h | 64% |
| 16 September 2026 Wed | Overcast |
18.9 ° C | 21 ° C | 20 ° C | % 80 | 31 km/h | 39% |
| 17 September 2026 Thu |  Light rain shower |
16 ° C | 19.6 ° C | 17.6 ° C | % 82 | 39.2 km/h | 89% |
| 18 September 2026 Fri | Light rain shower |
16.2 ° C | 17.5 ° C | 16.8 ° C | % 85 | 39.6 km/h | 90% |
| 19 September 2026 Sat | Light rain shower |
16.7 ° C | 17.6 ° C | 17.1 ° C | % 77 | 42.1 km/h | 87% |
| 20 September 2026 Sun |  Moderate or heavy rain shower |
16.7 ° C | 18.2 ° C | 17.2 ° C | % 87 | 56.2 km/h | 91% |
| 21 September 2026 Mon | Overcast |
18.4 ° C | 20.4 ° C | 19.3 ° C | % 75 | 44.6 km/h | 62% |
| 22 September 2026 Tue | Patchy rain nearby |
17.7 ° C | 19.4 ° C | 18.7 ° C | % 66 | 26.3 km/h | 37% |
| 23 September 2026 Wed | Patchy rain nearby |
18.2 ° C | 20.2 ° C | 19.2 ° C | % 69 | 42.5 km/h | 36% |
| 24 September 2026 Thu | Patchy rain nearby |
18.5 ° C | 21.2 ° C | 19.8 ° C | % 75 | 55.4 km/h | 38% |
| 25 September 2026 Fri | Overcast |
19.4 ° C | 22.6 ° C | 20.8 ° C | % 80 | 25.9 km/h | 27% |
| 26 September 2026 Sat | Patchy rain nearby |
19.9 ° C | 20.5 ° C | 20.2 ° C | % 79 | 23.4 km/h | 47% |
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