Saco River - Cow Island Rainfall Forecast

Today 27 Sep
95%
Mon 28 Sep
90%
Tue 29 Sep
75%
Wed 30 Sep
No Rain
Thu 1 Oct
5%
Fri 2 Oct
15%
Sat 3 Oct
15%

Saco River - Cow Island Rainfall Statistics

September Rainfall

Portland, Portland International Jetport (12.4 miles)

Total Rainfall 2026
28.4in
Daily Average 2026
0.1in
Wettest Day 14 May, 2026
2in
Wet Days 2026
102/270 (38%)
Total Rainfall August
2.7in
Daily Average August
0.1in
Wettest Day 13 August, 2026
1.4in
Wet Days August
7/31 (23%)
Total Rainfall September
1.6in
Daily Average September
0.1in
Wettest Day 17 September, 2026
0.7in
Wet Days September
10/27 (37%)

Climate (2021–2025)

Portland, Portland International Jetport (12.4 miles)

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Annual Average 2021–2025
46.1in
Monthly Average 2021–2026
3.9in
Daily Average 2021–2026
0.1in
Wettest Day 14 October, 2022
2.8in

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