Chilmark Rainfall Forecast

Today 17 Aug
100%
Tue 18 Aug
15%
Wed 19 Aug
5%
Thu 20 Aug
30%
Fri 21 Aug
45%
Sat 22 Aug
50%
Sun 23 Aug
55%

Chilmark Rainfall Statistics

August Rainfall

Marthas Vineyard Airport (7.5 miles)

Total Rainfall 2026
16.6in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
3.2in
Wet Days 2026
61/229 (27%)
Total Rainfall July
7.6in
Daily Average July
0.2in
Wettest Day 7 July, 2026
3.2in
Wet Days July
11/31 (35%)
Total Rainfall August
0.2in
Daily Average August
0.01in
Wettest Day 13 August, 2026
0.2in
Wet Days August
1/17 (6%)

Climate (2021–2025)

Marthas Vineyard Airport (7.5 miles)

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Annual Average 2021–2025
36.3in
Monthly Average 2021–2026
3in
Daily Average 2021–2026
0.1in
Wettest Day 22 May, 2025
4.3in

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