Walnut Rainfall Forecast

Today 20 Sep
5%
Mon 21 Sep
10%
Tue 22 Sep
No Rain
Wed 23 Sep
No Rain
Thu 24 Sep
No Rain
Fri 25 Sep
No Rain
Sat 26 Sep
No Rain

Walnut Rainfall Statistics

September Rainfall

John Wayne-Orange County Airport (4.3 miles)

Total Rainfall 2026
3.4in
Daily Average 2026
0.01in
Wettest Day 16 February, 2026
1in
Wet Days 2026
16/263 (6%)
Total Rainfall August
0in
Daily Average August
0in
Wettest Day 1 August, 2026
0in
Wet Days August
–
Total Rainfall September
0.3in
Daily Average September
0.02in
Wettest Day 6 September, 2026
0.3in
Wet Days September
1/20 (5%)

Climate (2021–2025)

John Wayne-Orange County Airport (4.3 miles)

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Annual Average 2021–2025
9.9in
Monthly Average 2021–2026
0.8in
Daily Average 2021–2026
0.03in
Wettest Day 25 February, 2023
2.1in

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