Fontana Rainfall Forecast

Today 13 Oct
No Rain
Wed 14 Oct
No Rain
Thu 15 Oct
No Rain
Fri 16 Oct
No Rain
Sat 17 Oct
No Rain
Sun 18 Oct
No Rain
Mon 19 Oct
5%

Fontana Rainfall Statistics

October Rainfall

Ontario International Airport (8.1 miles)

Total Rainfall 2026
6.4 in
Daily Average 2026
0.02 in
Wettest Day 1 January, 2026
0.9 in
Wet Days 2026
23/286 (8%)
Total Rainfall September
0.6 in
Daily Average September
0.02 in
Wettest Day 6 September, 2026
0.6 in
Wet Days September
2/30 (7%)
Total Rainfall October
0.7 in
Daily Average October
0.1 in
Wettest Day 11 October, 2026
0.6 in
Wet Days October
2/13 (15%)

Climate (2021–2025)

Ontario International Airport (8.1 miles)

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

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