Preston Rainfall Forecast

Today 27 Mar
20%
Sat 28 Mar
20%
Sun 29 Mar
No Rain
Mon 30 Mar
No Rain
Tue 31 Mar
5%
Wed 1 Apr
20%
Thu 2 Apr
50%

Preston Rainfall Statistics

March Rainfall

Sherman/Denison, Grayson County Airport (11.2 miles)

Total Rainfall 2026
5.1in
Daily Average 2026
0.1in
Wettest Day 23 January, 2026
1.2in
Wet Days 2026
11/86 (13%)
Total Rainfall February
0.3in
Daily Average February
0.01in
Wettest Day 15 February, 2026
0.1in
Wet Days February
3/28 (11%)
Total Rainfall March
3in
Daily Average March
0.1in
Wettest Day 4 March, 2026
1in
Wet Days March
6/27 (22%)

Climate (2010–Present)

Sherman/Denison, Grayson County Airport (11.2 miles)

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Annual Average 2021–2025
22.8in
Monthly Average 2021–2026
1.9in
Daily Average 2021–2026
0.1in
Wettest Day 24 October, 2025
4in

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