Weir Canyon Regional Park Rainfall Forecast

Today 25 May
10%
Tue 26 May
20%
Wed 27 May
25%
Thu 28 May
No Rain
Fri 29 May
No Rain
Sat 30 May
No Rain
Sun 31 May
No Rain

Weir Canyon Regional Park Rainfall Statistics

May Rainfall

Corona Airport (8.7 miles)

Total Rainfall 2026
3.2in
Daily Average 2026
0.02in
Wettest Day 16 February, 2026
0.7in
Wet Days 2026
18/145 (12%)
Total Rainfall April
0.6in
Daily Average April
0.02in
Wettest Day 26 April, 2026
0.3in
Wet Days April
5/30 (17%)
Total Rainfall May
0.1in
Daily Average May
0in
Wettest Day 5 May, 2026
0.1in
Wet Days May
1/25 (4%)

Climate (2010–Present)

Corona Airport (8.7 miles)

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Annual Average 2021–2025
3.5in
Monthly Average 2021–2026
0.3in
Daily Average 2021–2026
0.01in
Wettest Day 4 February, 2022
1in

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