Saint Johns Municipal Airport (SJN) 15 Day Weather Forecast, Saint Johns United States
Current weather conditions and 15 day weather forecast for Saint Johns Municipal Airport in Saint Johns, United States 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 SJN
| 18 September 2026 Fri 22.3 ° C ( 72.2°F )  Sunny |
Feels Like : 21.5 ° C / 70.7°F Humidity : % 46 Pressure : 1018 mb Wind Speed : 4.7 kmph / 2.9 miles from NNW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 4 |
15-day weather forecast for Saint Johns Municipal Airport, Saint Johns, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 18 September 2026 Fri | Sunny |
16.3 ° C | 28.1 ° C | 21.4 ° C | % 50 | 27 km/h | 36% |
| 19 September 2026 Sat | Sunny |
16.3 ° C | 27.7 ° C | 21.3 ° C | % 43 | 30.6 km/h | 57% |
| 20 September 2026 Sun | Sunny |
14.9 ° C | 26.8 ° C | 20.6 ° C | % 27 | 15.1 km/h | 2% |
| 21 September 2026 Mon |  Overcast |
16.6 ° C | 26.2 ° C | 20.9 ° C | % 31 | 15.5 km/h | 7% |
| 22 September 2026 Tue | Sunny |
15.3 ° C | 25.9 ° C | 18.9 ° C | % 48 | 19.8 km/h | 57% |
| 23 September 2026 Wed | Sunny |
14 ° C | 24.1 ° C | 19.4 ° C | % 48 | 13 km/h | 17% |
| 24 September 2026 Thu | Overcast |
16.2 ° C | 23.7 ° C | 19.5 ° C | % 52 | 22.7 km/h | 9% |
| 25 September 2026 Fri | Sunny |
14.5 ° C | 24.9 ° C | 19.9 ° C | % 56 | 22.7 km/h | 36% |
| 26 September 2026 Sat | Sunny |
16.6 ° C | 26 ° C | 20.8 ° C | % 51 | 33.8 km/h | 17% |
| 27 September 2026 Sun | Sunny |
15.1 ° C | 24.3 ° C | 19.6 ° C | % 36 | 41.8 km/h | 2% |
| 28 September 2026 Mon | Overcast |
11.8 ° C | 21.9 ° C | 16.6 ° C | % 25 | 33.5 km/h | 5% |
| 29 September 2026 Tue | Sunny |
11.4 ° C | 21.1 ° C | 15.6 ° C | % 35 | 40 km/h | 3% |
| 30 September 2026 Wed | Sunny |
9.2 ° C | 19.7 ° C | 14.4 ° C | % 32 | 21.6 km/h | 1% |
| 01 October 2026 Thu | Sunny |
10.4 ° C | 22.1 ° C | 16 ° C | % 25 | 20.2 km/h | 0% |
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