Grayson County Airport Rainfall Forecast

Today 20 May
20%
Thu 21 May
95%
Fri 22 May
75%
Sat 23 May
55%
Sun 24 May
65%
Mon 25 May
35%
Tue 26 May
35%

Grayson County Airport Rainfall Statistics

May Rainfall

Sherman/Denison, Grayson County Airport (0 miles)

Total Rainfall 2026
15.5in
Daily Average 2026
0.1in
Wettest Day 4 April, 2026
2.3in
Wet Days 2026
21/140 (15%)
Total Rainfall April
8.1in
Daily Average April
0.3in
Wettest Day 4 April, 2026
2.3in
Wet Days April
9/30 (30%)
Total Rainfall May
2.3in
Daily Average May
0.1in
Wettest Day 10 May, 2026
2.3in
Wet Days May
1/20 (5%)

Climate (2010–Present)

Sherman/Denison, Grayson County Airport (0 miles)

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Annual Average 2021–2025
22.8in
Monthly Average 2021–2026
2in
Daily Average 2021–2026
0.1in
Wettest Day 24 October, 2025
4in

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