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
| 01 August 2026 Sat 12 ° C ( 53.6°F )  Clear |
Feels Like : 10.3 ° C / 50.5°F Humidity : % 75 Pressure : 1030 mb Wind Speed : 9 kmph / 5.6 miles from NW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 2 |
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 |
|---|---|---|---|---|---|---|---|
| 01 August 2026 Sat | Sunny |
11 ° C | 17.8 ° C | 14.3 ° C | % 67 | 11.2 km/h | 6% |
| 02 August 2026 Sun | Sunny |
10.6 ° C | 19.6 ° C | 15 ° C | % 71 | 11.2 km/h | 6% |
| 03 August 2026 Mon | Sunny |
12.5 ° C | 22.1 ° C | 16.7 ° C | % 66 | 14.4 km/h | 4% |
| 04 August 2026 Tue |  Smoky haze |
13.3 ° C | 24.9 ° C | 18.1 ° C | % 47 | 16.9 km/h | 1% |
| 05 August 2026 Wed | Sunny |
15.6 ° C | 25.4 ° C | 19.3 ° C | % 49 | 14 km/h | 2% |
| 06 August 2026 Thu | Sunny |
15.6 ° C | 20.9 ° C | 17.8 ° C | % 71 | 38.5 km/h | 57% |
| 07 August 2026 Fri | Sunny |
14.7 ° C | 20.6 ° C | 16.8 ° C | % 75 | 29.2 km/h | 57% |
| 08 August 2026 Sat | Sunny |
15.3 ° C | 26 ° C | 19.2 ° C | % 63 | 22.3 km/h | 17% |
| 09 August 2026 Sun |  Patchy rain nearby |
18 ° C | 21.2 ° C | 19.3 ° C | % 80 | 11.9 km/h | 71% |
| 10 August 2026 Mon |  Light rain shower |
17.8 ° C | 19.1 ° C | 18.2 ° C | % 88 | 29.5 km/h | 91% |
| 11 August 2026 Tue | Patchy rain nearby |
19.2 ° C | 22.5 ° C | 20.6 ° C | % 86 | 36.4 km/h | 89% |
| 12 August 2026 Wed | Patchy rain nearby |
19.7 ° C | 23.3 ° C | 20.9 ° C | % 78 | 39.6 km/h | 18% |
| 13 August 2026 Thu | Sunny |
17.2 ° C | 21.2 ° C | 19.2 ° C | % 82 | 25.9 km/h | 61% |
| 14 August 2026 Fri | Patchy rain nearby |
18.4 ° C | 20.5 ° C | 19.2 ° C | % 86 | 11.9 km/h | 66% |
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