Cohasset Rainfall Forecast

Today 20 Aug
10%
Fri 21 Aug
55%
Sat 22 Aug
90%
Sun 23 Aug
60%
Mon 24 Aug
25%
Tue 25 Aug
5%
Wed 26 Aug
10%

Cohasset Rainfall Statistics

August Rainfall

Marshfield Airport (11.8 miles)

Total Rainfall 2026
16.5in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
2.6in
Wet Days 2026
79/232 (34%)
Total Rainfall July
4.2in
Daily Average July
0.1in
Wettest Day 7 July, 2026
2.6in
Wet Days July
12/31 (39%)
Total Rainfall August
1.5in
Daily Average August
0.1in
Wettest Day 3 August, 2026
1.4in
Wet Days August
4/20 (20%)

Climate (2021–2025)

Marshfield Airport (11.8 miles)

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Annual Average 2021–2025
35.7in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 22 May, 2025
3.3in

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