Grayson County Airport Rainfall Forecast

Today 3 Oct
70%
Sun 4 Oct
30%
Mon 5 Oct
No Rain
Tue 6 Oct
No Rain
Wed 7 Oct
No Rain
Thu 8 Oct
No Rain
Fri 9 Oct
No Rain

Grayson County Airport Rainfall Statistics

October Rainfall

Sherman/Denison, Grayson County Airport (0 miles)

Total Rainfall 2026
25.8in
Daily Average 2026
0.1in
Wettest Day 4 April, 2026
2.3in
Wet Days 2026
36/276 (13%)
Total Rainfall September
0.1in
Daily Average September
0in
Wettest Day 27 September, 2026
0.1in
Wet Days September
1/30 (3%)
Total Rainfall October
1.8in
Daily Average October
1.8in
Wettest Day 1 October, 2026
1.8in
Wet Days October
1/3 (33%)

Climate (2021–2025)

Sherman/Denison, Grayson County Airport (0 miles)

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Annual Average 2021–2025
22.8in
Monthly Average 2021–2026
2.1in
Daily Average 2021–2026
0.1in
Wettest Day 24 October, 2025
4in

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