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
| 03 September 2026 Thu 32.8 ° C ( 91°F )  Partly Cloudy |
Feels Like : 38.1 ° C / 100.6°F Humidity : % 57 Pressure : 1013 mb Wind Speed : 13 kmph / 8.1 miles from SE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 35 |
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 |
|---|---|---|---|---|---|---|---|
| 03 September 2026 Thu |  Sunny |
24.8 ° C | 34.2 ° C | 28.3 ° C | % 67 | 28.4 km/h | 7% |
| 04 September 2026 Fri | Sunny |
22.5 ° C | 35.6 ° C | 28.8 ° C | % 59 | 22.7 km/h | 3% |
| 05 September 2026 Sat | Sunny |
24.5 ° C | 36.3 ° C | 30.3 ° C | % 51 | 19.1 km/h | 3% |
| 06 September 2026 Sun | Sunny |
26.4 ° C | 38.9 ° C | 32.5 ° C | % 41 | 16.6 km/h | 2% |
| 07 September 2026 Mon | Sunny |
27.4 ° C | 40.3 ° C | 33.4 ° C | % 37 | 21.6 km/h | 2% |
| 08 September 2026 Tue | Sunny |
27.9 ° C | 40.3 ° C | 34.4 ° C | % 36 | 20.9 km/h | 1% |
| 09 September 2026 Wed | Sunny |
27.4 ° C | 39 ° C | 33.3 ° C | % 37 | 24.5 km/h | 1% |
| 10 September 2026 Thu | Sunny |
27.5 ° C | 39.2 ° C | 33.3 ° C | % 35 | 18 km/h | 2% |
| 11 September 2026 Fri |  Overcast |
27.8 ° C | 38.2 ° C | 33.5 ° C | % 34 | 15.8 km/h | 6% |
| 12 September 2026 Sat | Sunny |
28.2 ° C | 39.9 ° C | 34.3 ° C | % 38 | 24.8 km/h | 1% |
| 13 September 2026 Sun | Sunny |
26.8 ° C | 38.8 ° C | 32.9 ° C | % 42 | 27.4 km/h | 1% |
| 14 September 2026 Mon | Overcast |
26.4 ° C | 39.1 ° C | 32.8 ° C | % 40 | 31.7 km/h | 8% |
| 15 September 2026 Tue | Overcast |
27.1 ° C | 40 ° C | 33 ° C | % 41 | 27.4 km/h | 57% |
| 16 September 2026 Wed | Sunny |
25.9 ° C | 38.7 ° C | 32 ° C | % 46 | 23 km/h | 17% |
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