Back Bay Rainfall Forecast

Today 28 Sep
100%
Tue 29 Sep
65%
Wed 30 Sep
5%
Thu 1 Oct
No Rain
Fri 2 Oct
15%
Sat 3 Oct
20%
Sun 4 Oct
25%

Back Bay Rainfall Statistics

September Rainfall

Boston, Logan International Airport (3.1 miles)

Total Rainfall 2026
20.4in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
1.6in
Wet Days 2026
96/271 (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
2.8in
Daily Average September
0.1in
Wettest Day 26 September, 2026
1in
Wet Days September
10/28 (36%)

Climate (2021–2025)

Boston, Logan International Airport (3.1 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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