Josephstaal Airport (JON) 15 Day Weather Forecast, Johnston Island Johnston Island
Current weather conditions and 15 day weather forecast for Josephstaal Airport in Johnston Island, Johnston Island 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 JON
| 18 September 2026 Fri 25.3 ° C ( 77.6°F )  Cloudy |
Feels Like : 28.5 ° C / 83.3°F Humidity : % 81 Pressure : 1014 mb Wind Speed : 5.8 kmph / 3.6 miles from E 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 72 |
15-day weather forecast for Josephstaal Airport, Johnston Island, Johnston Island
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 18 September 2026 Fri |  Patchy rain nearby |
25.2 ° C | 28.6 ° C | 26.8 ° C | % 72 | 16.2 km/h | 57% |
| 19 September 2026 Sat | Patchy rain nearby |
24.5 ° C | 28.5 ° C | 26.3 ° C | % 70 | 15.5 km/h | 23% |
| 20 September 2026 Sun |  Overcast |
24.7 ° C | 28 ° C | 26.1 ° C | % 71 | 13 km/h | 22% |
| 21 September 2026 Mon |  Partly Cloudy |
24.1 ° C | 27.6 ° C | 25.6 ° C | % 72 | 10.4 km/h | 17% |
| 22 September 2026 Tue | Patchy rain nearby |
23.8 ° C | 26.8 ° C | 25.4 ° C | % 75 | 11.9 km/h | 24% |
| 23 September 2026 Wed | Patchy rain nearby |
24.5 ° C | 27.3 ° C | 25.9 ° C | % 78 | 10.1 km/h | 29% |
| 24 September 2026 Thu | Partly Cloudy |
24.3 ° C | 27.8 ° C | 25.8 ° C | % 72 | 11.2 km/h | 10% |
| 25 September 2026 Fri | Patchy rain nearby |
23.2 ° C | 27.1 ° C | 25.2 ° C | % 70 | 12.2 km/h | 17% |
| 26 September 2026 Sat |  Sunny |
23.4 ° C | 26.8 ° C | 25.1 ° C | % 70 | 10.1 km/h | 10% |
| 27 September 2026 Sun | Sunny |
23.4 ° C | 26.8 ° C | 25.1 ° C | % 71 | 8.6 km/h | 58% |
| 28 September 2026 Mon | Sunny |
23.4 ° C | 26.5 ° C | 24.8 ° C | % 70 | 10.4 km/h | 17% |
| 29 September 2026 Tue | Sunny |
22.6 ° C | 26.3 ° C | 24.3 ° C | % 70 | 11.9 km/h | 36% |
| 30 September 2026 Wed | Sunny |
23.3 ° C | 26.3 ° C | 24.5 ° C | % 74 | 9 km/h | 38% |
| 01 October 2026 Thu | Sunny |
23.1 ° C | 26 ° C | 24.6 ° C | % 74 | 8.6 km/h | 12% |
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