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
| 02 May 2026 Sat 18.6 ° C ( 65.5°F )  Clear |
Feels Like : 18.6 ° C / 65.5°F Humidity : % 77 Pressure : 1018 mb Wind Speed : 5.8 kmph / 3.6 miles from NNW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 6 |
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 |
|---|---|---|---|---|---|---|---|
| 02 May 2026 Sat | Sunny |
15.5 ° C | 27.1 ° C | 20.3 ° C | % 65 | 13 km/h | 0% |
| 03 May 2026 Sun | Sunny |
16.8 ° C | 26.5 ° C | 20.9 ° C | % 61 | 18.7 km/h | 0% |
| 04 May 2026 Mon |  Moderate rain |
18.8 ° C | 30.2 ° C | 22.8 ° C | % 59 | 35.3 km/h | 88% |
| 05 May 2026 Tue |  Heavy rain |
19 ° C | 20.4 ° C | 19.5 ° C | % 92 | 23.8 km/h | 76% |
| 06 May 2026 Wed | Heavy rain |
13.1 ° C | 19.3 ° C | 16.1 ° C | % 85 | 40.3 km/h | 83% |
| 07 May 2026 Thu | Moderate rain |
11.8 ° C | 17.5 ° C | 14.5 ° C | % 73 | 41 km/h | 77% |
| 08 May 2026 Fri |  Patchy rain nearby |
13.3 ° C | 18.6 ° C | 16.1 ° C | % 73 | 34.6 km/h | 89% |
| 09 May 2026 Sat | Sunny |
11.9 ° C | 20.2 ° C | 15.5 ° C | % 69 | 14 km/h | 0% |
| 10 May 2026 Sun | Sunny |
13.6 ° C | 25.3 ° C | 18.4 ° C | % 57 | 14 km/h | 0% |
| 11 May 2026 Mon | Sunny |
17.1 ° C | 26.6 ° C | 20.7 ° C | % 57 | 13.3 km/h | 0% |
| 12 May 2026 Tue | Patchy rain nearby |
18.1 ° C | 20.6 ° C | 19.5 ° C | % 67 | 28.4 km/h | 86% |
| 13 May 2026 Wed | Sunny |
17.4 ° C | 25.5 ° C | 20.1 ° C | % 75 | 20.5 km/h | 0% |
| 14 May 2026 Thu | Sunny |
16.1 ° C | 27.1 ° C | 19.5 ° C | % 60 | 34.2 km/h | 0% |
| 15 May 2026 Fri | Patchy rain nearby |
13.4 ° C | 18.5 ° C | 16.4 ° C | % 70 | 23.4 km/h | 79% |
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