Acton Rainfall Forecast

Today 26 Sep
100%
Sun 27 Sep
100%
Mon 28 Sep
100%
Tue 29 Sep
80%
Wed 30 Sep
No Rain
Thu 1 Oct
5%
Fri 2 Oct
10%

Acton Rainfall Statistics

September Rainfall

Laurence G Hanscom Field Airport (6.8 miles)

Total Rainfall 2026
20.9in
Daily Average 2026
0.1in
Wettest Day 7 July, 2026
2in
Wet Days 2026
88/269 (33%)
Total Rainfall August
2.2in
Daily Average August
0.1in
Wettest Day 3 August, 2026
1.3in
Wet Days August
5/31 (16%)
Total Rainfall September
2in
Daily Average September
0.1in
Wettest Day 13 September, 2026
0.7in
Wet Days September
9/26 (35%)

Climate (2021–2025)

Laurence G Hanscom Field Airport (6.8 miles)

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Annual Average 2021–2025
44.8in
Monthly Average 2021–2026
3.4in
Daily Average 2021–2026
0.1in
Wettest Day 8 August, 2023
3.6in

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