Chambersburg Rainfall Forecast

Today 4 Oct
80%
Mon 5 Oct
5%
Tue 6 Oct
No Rain
Wed 7 Oct
No Rain
Thu 8 Oct
No Rain
Fri 9 Oct
No Rain
Sat 10 Oct
5%

Chambersburg Rainfall Statistics

October Rainfall

Trenton, Mercer County Airport (5.6 miles)

Total Rainfall 2026
33.5 in
Daily Average 2026
0.1 in
Wettest Day 3 August, 2026
2.3 in
Wet Days 2026
93/277 (34%)
Total Rainfall September
5.6 in
Daily Average September
0.2 in
Wettest Day 27 September, 2026
1.4 in
Wet Days September
10/30 (33%)
Total Rainfall October
0.04 in
Daily Average October
0.02 in
Wettest Day 2 October, 2026
0.04 in
Wet Days October
1/4 (25%)

Climate (2021–2025)

Trenton, Mercer County Airport (5.6 miles)

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Annual Average 2021–2025
40.9 in
Monthly Average 2021–2026
3.3 in
Daily Average 2021–2026
0.1 in
Wettest Day 6 August, 2024
4.4 in

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