Green Island - Gibbon Anchorage Rainfall Forecast

Today 14 Sep
50%
Tue 15 Sep
85%
Wed 16 Sep
40%
Thu 17 Sep
55%
Fri 18 Sep
70%
Sat 19 Sep
70%
Sun 20 Sep
90%

Green Island - Gibbon Anchorage Rainfall Statistics

September Rainfall

Portage, Portage Glacier (59 miles)

Total Rainfall 2026
93.3in
Daily Average 2026
0.4in
Wettest Day 15 January, 2026
4.9in
Wet Days 2026
131/257 (51%)
Total Rainfall August
4.5in
Daily Average August
0.1in
Wettest Day 16 August, 2026
2.1in
Wet Days August
15/31 (48%)
Total Rainfall September
1.7in
Daily Average September
0.2in
Wettest Day 8 September, 2026
0.7in
Wet Days September
4/14 (29%)

Climate (2021–2025)

Portage, Portage Glacier (59 miles)

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Annual Average 2021–2025
122.3in
Monthly Average 2021–2026
11.2in
Daily Average 2021–2026
0.4in
Wettest Day 30 October, 2021
10.3in

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