Groton Rainfall Forecast

Today 1 Jul
60%
Wed 2 Jul
40%
Thu 3 Jul
25%
Fri 4 Jul
15%
Sat 5 Jul
No Rain
Sun 6 Jul
20%
Mon 7 Jul
35%

Groton Rainfall Statistics

July Rainfall

Fitchburg, Fitchburg Municipal Airport (9.9 miles)

Total Rainfall 2025
22.1in
Daily Average 2025
0.1in
Wettest Day 22 May, 2025
1.4in
Wet Days 2025
67/182 (37%)
Total Rainfall June
2.8in
Daily Average June
0.1in
Wettest Day 6 June, 2025
1.2in
Wet Days June
10/30 (33%)
Total Rainfall July
–
Daily Average July
–
Wettest Day 1 July, 2025
–
Wet Days July
–

Climate (2010–Present)

Fitchburg, Fitchburg Municipal Airport (9.9 miles)

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Annual Average 2020–2024
43.5in
Monthly Average 2020–2025
3.7in
Daily Average 2020–2025
0.1in
Wettest Day 11 September, 2023
5.1in

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