High Island Rainfall Forecast

Today 10 Sep
100%
Fri 11 Sep
No Rain
Sat 12 Sep
No Rain
Sun 13 Sep
30%
Mon 14 Sep
20%
Tue 15 Sep
10%
Wed 16 Sep
25%

High Island Rainfall Statistics

September Rainfall

Rockland, Knox County Regional Airport (3.7 miles)

Total Rainfall 2026
19.2in
Daily Average 2026
0.1in
Wettest Day 23 June, 2026
3.5in
Wet Days 2026
89/253 (35%)
Total Rainfall August
0.4in
Daily Average August
0.01in
Wettest Day 3 August, 2026
0.2in
Wet Days August
9/31 (29%)
Total Rainfall September
0.3in
Daily Average September
0.04in
Wettest Day 3 September, 2026
0.2in
Wet Days September
3/10 (30%)

Climate (2021–2025)

Rockland, Knox County Regional Airport (3.7 miles)

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Annual Average 2021–2025
23.6in
Monthly Average 2021–2026
2.1in
Daily Average 2021–2026
0.1in
Wettest Day 23 June, 2026
3.5in

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