Granite Bay State Marine Park Rainfall Forecast

Today 13 Apr
5%
Tue 14 Apr
No Rain
Wed 15 Apr
60%
Thu 16 Apr
100%
Fri 17 Apr
85%
Sat 18 Apr
75%
Sun 19 Apr
70%

Granite Bay State Marine Park Rainfall Statistics

April Rainfall

Portage, Portage Glacier (25.5 miles)

Total Rainfall 2026
32.4in
Daily Average 2026
0.3in
Wettest Day 15 January, 2026
4.9in
Wet Days 2026
38/103 (37%)
Total Rainfall March
2.7in
Daily Average March
0.1in
Wettest Day 6 March, 2026
1.4in
Wet Days March
8/31 (26%)
Total Rainfall April
0.8in
Daily Average April
0.1in
Wettest Day 8 April, 2026
0.3in
Wet Days April
4/13 (31%)

Climate (2010–Present)

Portage, Portage Glacier (25.5 miles)

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Annual Average 2021–2025
122.3in
Monthly Average 2021–2026
10.7in
Daily Average 2021–2026
0.4in
Wettest Day 30 October, 2021
10.3in

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