Union Grove State Park Rainfall Forecast

Today 2 Aug
No Rain
Mon 3 Aug
No Rain
Tue 4 Aug
10%
Wed 5 Aug
65%
Thu 6 Aug
30%
Fri 7 Aug
10%
Sat 8 Aug
15%

Union Grove State Park Rainfall Statistics

August Rainfall

Marshalltown, Marshalltown Municipal Airport (9.9 miles)

Total Rainfall 2026
25.1in
Daily Average 2026
0.1in
Wettest Day 17 June, 2026
3.4in
Wet Days 2026
50/214 (23%)
Total Rainfall July
4.9in
Daily Average July
0.2in
Wettest Day 2 July, 2026
1.9in
Wet Days July
9/31 (29%)
Total Rainfall August
–
Daily Average August
–
Wettest Day 2 August, 2026
–
Wet Days August
–

Climate (2021–2025)

Marshalltown, Marshalltown Municipal Airport (9.9 miles)

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Annual Average 2021–2025
26.6in
Monthly Average 2021–2026
2.5in
Daily Average 2021–2026
0.1in
Wettest Day 17 June, 2026
3.4in

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