Mystic River - Island End River Rainfall Forecast

Today 8 Sep
5%
Wed 9 Sep
5%
Thu 10 Sep
45%
Fri 11 Sep
5%
Sat 12 Sep
No Rain
Sun 13 Sep
15%
Mon 14 Sep
20%

Mystic River - Island End River Rainfall Statistics

September Rainfall

Boston, Logan International Airport (2.5 miles)

Total Rainfall 2026
18.3in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
1.6in
Wet Days 2026
88/251 (35%)
Total Rainfall August
1in
Daily Average August
0.03in
Wettest Day 3 August, 2026
0.5in
Wet Days August
5/31 (16%)
Total Rainfall September
0.7in
Daily Average September
0.1in
Wettest Day 3 September, 2026
0.5in
Wet Days September
2/8 (25%)

Climate (2021–2025)

Boston, Logan International Airport (2.5 miles)

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Annual Average 2021–2025
43.1in
Monthly Average 2021–2026
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 22 May, 2025
3.1in

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