Dayton Rainfall Forecast

Today 12 May
No Rain
Wed 13 May
20%
Thu 14 May
95%
Fri 15 May
20%
Sat 16 May
5%
Sun 17 May
15%
Mon 18 May
5%

Dayton Rainfall Statistics

May Rainfall

Trenton, Mercer County Airport (17.4 miles)

Total Rainfall 2026
9.6in
Daily Average 2026
0.1in
Wettest Day 25 January, 2026
1.2in
Wet Days 2026
41/132 (31%)
Total Rainfall April
1.7in
Daily Average April
0.1in
Wettest Day 25 April, 2026
0.8in
Wet Days April
11/30 (37%)
Total Rainfall May
0.6in
Daily Average May
0.1in
Wettest Day 7 May, 2026
0.3in
Wet Days May
3/12 (25%)

Climate (2010–Present)

Trenton, Mercer County Airport (17.4 miles)

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Annual Average 2021–2025
40.9in
Monthly Average 2021–2026
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 1 September, 2021
5.6in

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