Post Aaf (FSI) 15 Day Weather Forecast, Ft Sill United States
Current weather conditions and 15 day weather forecast for Post Aaf in Ft Sill, 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 FSI
| 21 December 2025 Sun 10.6 ° C ( 51.1°F )  Clear |
Feels Like : 7.6 ° C / 45.7°F Humidity : % 41 Pressure : 1017 mb Wind Speed : 26.6 kmph / 16.6 miles from NNE 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Post Aaf, Ft Sill, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 20 December 2025 Sat | Sunny |
5.6 ° C | 22 ° C | 12.3 ° C | % 37 | 36 km/h | 0% |
| 21 December 2025 Sun | Sunny |
-0.3 ° C | 15.9 ° C | 7.9 ° C | % 66 | 24.8 km/h | 0% |
| 22 December 2025 Mon |  Overcast |
6.1 ° C | 17.7 ° C | 9.7 ° C | % 89 | 33.5 km/h | 0% |
| 23 December 2025 Tue | Overcast |
7.6 ° C | 15.6 ° C | 11.8 ° C | % 91 | 27.4 km/h | 0% |
| 24 December 2025 Wed | Sunny |
15.7 ° C | 25 ° C | 18.9 ° C | % 74 | 31.3 km/h | 0% |
| 25 December 2025 Thu | Sunny |
15.2 ° C | 23.6 ° C | 17.6 ° C | % 80 | 30.2 km/h | 0% |
| 26 December 2025 Fri | Sunny |
10.9 ° C | 20 ° C | 15.6 ° C | % 58 | 17.3 km/h | 0% |
| 27 December 2025 Sat | Sunny |
7.4 ° C | 19.2 ° C | 12.1 ° C | % 55 | 14 km/h | 0% |
| 28 December 2025 Sun | Sunny |
12.9 ° C | 25.5 ° C | 18 ° C | % 69 | 31 km/h | 0% |
| 29 December 2025 Mon |  Patchy rain nearby |
16.4 ° C | 21.1 ° C | 19 ° C | % 72 | 38.9 km/h | 79% |
| 30 December 2025 Tue | Patchy rain nearby |
10 ° C | 13.3 ° C | 12.9 ° C | % 67 | 28.8 km/h | 77% |
| 31 December 2025 Wed | Sunny |
5.1 ° C | 14.1 ° C | 8.4 ° C | % 55 | 19.1 km/h | 0% |
| 01 January 2026 Thu | Sunny |
3.9 ° C | 15.5 ° C | 8.4 ° C | % 50 | 10.8 km/h | 0% |
| 02 January 2026 Fri | Sunny |
5 ° C | 18.4 ° C | 10 ° C | % 67 | 20.9 km/h | 0% |
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