Outer Heron Island Rainfall Forecast

Today 17 May
70%
Mon 18 May
5%
Tue 19 May
15%
Wed 20 May
25%
Thu 21 May
15%
Fri 22 May
5%
Sat 23 May
20%

Outer Heron Island Rainfall Statistics

May Rainfall

Wiscasset Airport (14.3 miles)

Total Rainfall 2026
13.7in
Daily Average 2026
0.1in
Wettest Day 16 March, 2026
1.4in
Wet Days 2026
62/137 (45%)
Total Rainfall April
3.5in
Daily Average April
0.1in
Wettest Day 30 April, 2026
1.2in
Wet Days April
17/30 (57%)
Total Rainfall May
3.9in
Daily Average May
0.3in
Wettest Day 15 May, 2026
1.4in
Wet Days May
8/17 (47%)

Climate (2010–Present)

Wiscasset Airport (14.3 miles)

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Annual Average 2021–2025
42.9in
Monthly Average 2021–2026
3.6in
Daily Average 2021–2026
0.1in
Wettest Day 9 July, 2021
3.4in

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