Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Fair
50°F
10°C
| Humidity | 76% |
| Wind Speed | Calm |
| Barometer | 30.39 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 9.00 mi |
| Last update | 19 Apr 8:50 am CDT |
Extended Forecast for
Grayson County Airport TX
Today

High: 71 °F
Sunny
Tonight

Low: 48 °F
Partly Cloudy
Monday

High: 73 °F
Mostly Sunny
Monday Night
Low: 54 °F
Partly Cloudy
then Slight
Chance
ShowersTuesday

High: 68 °F
Chance
ShowersTuesday Night

Low: 58 °F
Mostly Cloudy
Wednesday

High: 75 °F
Mostly Cloudy
Wednesday Night

Low: 65 °F
Mostly Cloudy
Thursday

High: 80 °F
Mostly Cloudy
Detailed Forecast
Today
Sunny, with a high near 71. Calm wind becoming east southeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 48. South southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 73. South wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54. South wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 68. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 58. South southeast wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 75. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 65. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly cloudy, with a high near 80. South wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 55.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grayson County Airport TX
33.71°N 96.66°W (Elev. 797 ft)
33.71°N 96.66°W (Elev. 797 ft)
6:06 am CDT Apr 19, 2026
10am CDT Apr 19, 2026-6pm CDT Apr 25, 2026


