Grinnell Rainfall Forecast

Today 10 Mar
20%
Wed 11 Mar
30%
Thu 12 Mar
No Rain
Fri 13 Mar
35%
Sat 14 Mar
15%
Sun 15 Mar
45%
Mon 16 Mar
10%

Grinnell Rainfall Statistics

March Rainfall

Newton Municipal Airport - Earl Johnson Field (15.5 miles)

Total Rainfall 2026
1.8in
Daily Average 2026
0.03in
Wettest Day 6 March, 2026
0.9in
Wet Days 2026
5/69 (7%)
Total Rainfall February
0.03in
Daily Average February
0in
Wettest Day 19 February, 2026
0.03in
Wet Days February
1/28 (4%)
Total Rainfall March
1in
Daily Average March
0.1in
Wettest Day 6 March, 2026
0.9in
Wet Days March
2/10 (20%)

Climate (2010–Present)

Newton Municipal Airport - Earl Johnson Field (15.5 miles)

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Annual Average 2021–2025
16.6in
Monthly Average 2021–2026
1.4in
Daily Average 2021–2026
0.05in
Wettest Day 1 June, 2023
2.1in

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