Rancho Fontana Rainfall Forecast

Today 6 Apr
No Rain
Tue 7 Apr
No Rain
Wed 8 Apr
No Rain
Thu 9 Apr
5%
Fri 10 Apr
35%
Sat 11 Apr
65%
Sun 12 Apr
20%

Rancho Fontana Rainfall Statistics

April Rainfall

Ontario International Airport (7.5 miles)

Total Rainfall 2026
4.4in
Daily Average 2026
0.05in
Wettest Day 1 January, 2026
0.9in
Wet Days 2026
11/96 (11%)
Total Rainfall March
0.3in
Daily Average March
0.01in
Wettest Day 31 March, 2026
0.3in
Wet Days March
1/31 (3%)
Total Rainfall April
0.2in
Daily Average April
0.1in
Wettest Day 1 April, 2026
0.2in
Wet Days April
1/6 (17%)

Climate (2010–Present)

Ontario International Airport (7.5 miles)

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Annual Average 2021–2025
13.5in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.04in
Wettest Day 5 February, 2024
3.6in

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