Grayson County Airport (PNX) 15 Day Weather Forecast, Sherman-Denison United States
Current weather conditions and 15 day weather forecast for Grayson County Airport in Sherman-Denison, 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 PNX
| 21 December 2025 Sun 15.9 ° C ( 60.6°F )  Clear |
Feels Like : 15.9 ° C / 60.6°F Humidity : % 59 Pressure : 1015 mb Wind Speed : 19.1 kmph / 11.9 miles from N 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Grayson County Airport, Sherman-Denison, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 20 December 2025 Sat | Sunny |
10.9 ° C | 26.8 ° C | 16.5 ° C | % 43 | 34.9 km/h | 0% |
| 21 December 2025 Sun |  Overcast |
3.7 ° C | 9.8 ° C | 9 ° C | % 72 | 22.3 km/h | 0% |
| 22 December 2025 Mon |  Cloudy |
8.7 ° C | 20.2 ° C | 12.3 ° C | % 85 | 28.4 km/h | 0% |
| 23 December 2025 Tue | Overcast |
15 ° C | 22.1 ° C | 18.3 ° C | % 90 | 27.7 km/h | 0% |
| 24 December 2025 Wed | Sunny |
16.4 ° C | 22.8 ° C | 19.4 ° C | % 81 | 29.2 km/h | 0% |
| 25 December 2025 Thu |  Partly Cloudy |
17.6 ° C | 24.5 ° C | 19.8 ° C | % 82 | 28.4 km/h | 0% |
| 26 December 2025 Fri | Sunny |
15.5 ° C | 25.5 ° C | 19.9 ° C | % 64 | 20.2 km/h | 0% |
| 27 December 2025 Sat | Sunny |
11 ° C | 20.9 ° C | 15 ° C | % 60 | 11.2 km/h | 0% |
| 28 December 2025 Sun | Partly Cloudy |
15.4 ° C | 24.1 ° C | 19 ° C | % 75 | 24.5 km/h | 0% |
| 29 December 2025 Mon | Overcast |
17.2 ° C | 20 ° C | 19 ° C | % 78 | 30.2 km/h | 0% |
| 30 December 2025 Tue |  Moderate rain |
9.8 ° C | 18.5 ° C | 16 ° C | % 87 | 27 km/h | 84% |
| 31 December 2025 Wed |  Patchy rain nearby |
8 ° C | 12.7 ° C | 9.6 ° C | % 74 | 20.5 km/h | 89% |
| 01 January 2026 Thu | Sunny |
5.7 ° C | 14.2 ° C | 9.1 ° C | % 61 | 6.8 km/h | 0% |
| 02 January 2026 Fri | Sunny |
6.7 ° C | 16.3 ° C | 10.6 ° C | % 71 | 15.1 km/h | 0% |
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