Griswold Rainfall Forecast

Today 6 Sep
30%
Mon 7 Sep
10%
Tue 8 Sep
No Rain
Wed 9 Sep
No Rain
Thu 10 Sep
40%
Fri 11 Sep
10%
Sat 12 Sep
No Rain

Griswold Rainfall Statistics

September Rainfall

Westerly, Westerly State Airport (16.8 miles)

Total Rainfall 2026
25.7in
Daily Average 2026
0.1in
Wettest Day 6 July, 2026
1.8in
Wet Days 2026
84/249 (34%)
Total Rainfall August
4.4in
Daily Average August
0.1in
Wettest Day 13 August, 2026
1.3in
Wet Days August
11/31 (35%)
Total Rainfall September
1.4in
Daily Average September
0.3in
Wettest Day 1 September, 2026
0.5in
Wet Days September
3/6 (50%)

Climate (2021–2025)

Westerly, Westerly State Airport (16.8 miles)

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Annual Average 2021–2025
40.5in
Monthly Average 2021–2026
3.4in
Daily Average 2021–2026
0.1in
Wettest Day 11 December, 2024
3.7in

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