Rialto Rainfall Forecast

Today 8 Apr
No Rain
Thu 9 Apr
No Rain
Fri 10 Apr
70%
Sat 11 Apr
75%
Sun 12 Apr
40%
Mon 13 Apr
5%
Tue 14 Apr
No Rain

Rialto Rainfall Statistics

April Rainfall

San Bernardino Intl. Airport (6.8 miles)

Total Rainfall 2026
3.2in
Daily Average 2026
0.03in
Wettest Day 1 April, 2026
1.3in
Wet Days 2026
11/98 (11%)
Total Rainfall March
0.1in
Daily Average March
0in
Wettest Day 31 March, 2026
0.1in
Wet Days March
1/31 (3%)
Total Rainfall April
1.3in
Daily Average April
0.2in
Wettest Day 1 April, 2026
1.3in
Wet Days April
1/8 (13%)

Climate (2010–Present)

San Bernardino Intl. Airport (6.8 miles)

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Annual Average 2021–2025
6.3in
Monthly Average 2021–2026
0.5in
Daily Average 2021–2026
0.02in
Wettest Day 5 February, 2024
1.9in

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