William O'Brien State Park Rainfall Forecast

Today 30 May
No Rain
Sun 31 May
5%
Mon 1 Jun
20%
Tue 2 Jun
5%
Wed 3 Jun
25%
Thu 4 Jun
60%
Fri 5 Jun
60%

William O'Brien State Park Rainfall Statistics

May Rainfall

L O Simenstad Municipal Airport (6.8 miles)

Total Rainfall 2026
10.5in
Daily Average 2026
0.1in
Wettest Day 27 April, 2026
2.2in
Wet Days 2026
33/150 (22%)
Total Rainfall April
5.7in
Daily Average April
0.2in
Wettest Day 27 April, 2026
2.2in
Wet Days April
9/30 (30%)
Total Rainfall May
1.7in
Daily Average May
0.1in
Wettest Day 17 May, 2026
0.6in
Wet Days May
7/30 (23%)

Climate (2010–Present)

L O Simenstad Municipal Airport (6.8 miles)

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Annual Average 2021–2025
34.2in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 23 July, 2025
3.7in

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