Chapman State Park Rainfall Forecast

Today 15 Aug
5%
Sun 16 Aug
90%
Mon 17 Aug
75%
Tue 18 Aug
No Rain
Wed 19 Aug
40%
Thu 20 Aug
60%
Fri 21 Aug
10%

Chapman State Park Rainfall Statistics

August Rainfall

Jamestown, Chautauqua County/Jamestown Airport (27.3 miles)

Total Rainfall 2026
24.6in
Daily Average 2026
0.1in
Wettest Day 14 June, 2026
1.4in
Wet Days 2026
94/227 (41%)
Total Rainfall July
2.3in
Daily Average July
0.1in
Wettest Day 28 July, 2026
1.1in
Wet Days July
8/31 (26%)
Total Rainfall August
2in
Daily Average August
0.2in
Wettest Day 13 August, 2026
0.7in
Wet Days August
9/15 (60%)

Climate (2021–2025)

Jamestown, Chautauqua County/Jamestown Airport (27.3 miles)

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Annual Average 2021–2025
30.3in
Monthly Average 2021–2026
2.5in
Daily Average 2021–2026
0.1in
Wettest Day 11 November, 2022
2.4in

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