Grinnell Rainfall Forecast

Today 18 Mar
75%
Thu 19 Mar
No Rain
Fri 20 Mar
No Rain
Sat 21 Mar
No Rain
Sun 22 Mar
5%
Mon 23 Mar
5%
Tue 24 Mar
10%

Grinnell Rainfall Statistics

March Rainfall

Newton Municipal Airport - Earl Johnson Field (15.5 miles)

Total Rainfall 2026
1.9in
Daily Average 2026
0.03in
Wettest Day 6 March, 2026
0.9in
Wet Days 2026
8/77 (10%)
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
1.2in
Daily Average March
0.1in
Wettest Day 6 March, 2026
0.9in
Wet Days March
5/18 (28%)

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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