The Five Sisters Rainfall Forecast

Today 18 Sep
55%
Sat 19 Sep
No Rain
Sun 20 Sep
75%
Mon 21 Sep
75%
Tue 22 Sep
30%
Wed 23 Sep
20%
Thu 24 Sep
35%

The Five Sisters Rainfall Statistics

September Rainfall

Boston, Logan International Airport (2.5 miles)

Total Rainfall 2026
19.3in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
1.6in
Wet Days 2026
92/261 (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
1.7in
Daily Average September
0.1in
Wettest Day 13 September, 2026
0.8in
Wet Days September
6/18 (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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