Boston Harbor - Charles River Entrance Rainfall Forecast

Today 24 Sep
No Rain
Fri 25 Sep
45%
Sat 26 Sep
85%
Sun 27 Sep
95%
Mon 28 Sep
85%
Tue 29 Sep
30%
Wed 30 Sep
5%

Boston Harbor - Charles River Entrance Rainfall Statistics

September Rainfall

Boston, Logan International Airport (2.5 miles)

Total Rainfall 2026
19.4in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
1.6in
Wet Days 2026
94/267 (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
1.8in
Daily Average September
0.1in
Wettest Day 13 September, 2026
0.8in
Wet Days September
8/24 (33%)

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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