Brother Islands Rainfall Forecast

Today 6 Sep
90%
Sun 7 Sep
75%
Mon 8 Sep
55%
Tue 9 Sep
65%
Wed 10 Sep
65%
Thu 11 Sep
45%
Fri 12 Sep
20%

Brother Islands Rainfall Statistics

September Rainfall

Port Heiden, Port Heiden Airport (70.8 miles)

Total Rainfall 2025
8.4in
Daily Average 2025
0.04in
Wettest Day 1 July, 2025
0.6in
Wet Days 2025
103/249 (41%)
Total Rainfall August
1.7in
Daily Average August
0.1in
Wettest Day 26 August, 2025
0.4in
Wet Days August
12/31 (39%)
Total Rainfall September
0.2in
Daily Average September
0.1in
Wettest Day 1 September, 2025
0.1in
Wet Days September
3/6 (50%)

Climate (2010–Present)

Port Heiden, Port Heiden Airport (70.8 miles)

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Annual Average 2020–2024
11.8in
Monthly Average 2020–2025
1in
Daily Average 2020–2025
0.03in
Wettest Day 9 July, 2021
0.8in

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