Smith Island Rainfall Forecast

Today 18 Sep
100%
Fri 19 Sep
90%
Sat 20 Sep
60%
Sun 21 Sep
45%
Mon 22 Sep
45%
Tue 23 Sep
50%
Wed 24 Sep
50%

Smith Island Rainfall Statistics

September Rainfall

Portage, Portage Glacier (54.1 miles)

Total Rainfall 2025
140.5in
Daily Average 2025
0.5in
Wettest Day 16 April, 2025
6.1in
Wet Days 2025
157/261 (60%)
Total Rainfall August
5.6in
Daily Average August
0.2in
Wettest Day 28 August, 2025
1.6in
Wet Days August
13/31 (42%)
Total Rainfall September
18.9in
Daily Average September
1.2in
Wettest Day 16 September, 2025
4.5in
Wet Days September
14/18 (78%)

Climate (2010–Present)

Portage, Portage Glacier (54.1 miles)

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Annual Average 2020–2024
92.9in
Monthly Average 2020–2025
9.5in
Daily Average 2020–2025
0.4in
Wettest Day 30 October, 2021
10.3in

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