Merchant Island Rainfall Forecast

Today 27 May
No Rain
Thu 28 May
10%
Fri 29 May
30%
Sat 30 May
70%
Sun 31 May
45%
Mon 1 Jun
20%
Tue 2 Jun
10%

Merchant Island Rainfall Statistics

May Rainfall

Rockland, Knox County Regional Airport (22.4 miles)

Total Rainfall 2026
13.5in
Daily Average 2026
0.1in
Wettest Day 30 April, 2026
1.6in
Wet Days 2026
57/147 (39%)
Total Rainfall April
4.1in
Daily Average April
0.1in
Wettest Day 30 April, 2026
1.6in
Wet Days April
13/30 (43%)
Total Rainfall May
4.8in
Daily Average May
0.2in
Wettest Day 25 May, 2026
1.4in
Wet Days May
11/27 (41%)

Climate (2010–Present)

Rockland, Knox County Regional Airport (22.4 miles)

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Annual Average 2021–2025
23.6in
Monthly Average 2021–2026
2in
Daily Average 2021–2026
0.1in
Wettest Day 31 October, 2021
2.9in

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