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Rain Today in Rialto, CA: How Much Rain Fell — Last 24 Hour Rainfall Totals
Measured from radar and rain gauges by Precip.
0.00" of rain in Rialto, CA in the last 24 hours
Tue, Nov 3 total: 0.00"
- Past 7 days
- 0.73"
- 2026 so far
- 8.34" 27.6% below average
- Last rain
- 0.56" 3 days ago Nov 1, 2:00 AM - 3:00 PM UTC
- Your exact spot
- Rain varies block by block Pin your yard or field →
Precip measured 0.00" of rain in Rialto, CA over the last 24 hours and 0.73" over the past 7 days. So far in 2026, Rialto, CA has received 8.34" of rain, 27.6% below average (normal to date: 11.53").
Daily Rainfall Totals in Rialto, CA (Last 7 Days)
Observed 24-hour daily precipitation totals measured by Precip
Monthly Rainfall Totals in Rialto, CA (2026)
Accumulated monthly rainfall compared to 30-year normal averages
| Month | 2026 Total | 30-Yr Normal | vs. Normal |
|---|---|---|---|
| January | 1.24" | 3.25" | −2.01" (−62%) |
| February | 2.84" | 3.60" | −0.76" (−21%) |
| March | 0.36" | 2.38" | −2.01" (−85%) |
| April | 0.44" | 0.87" | −0.43" (−49%) |
| May | 0.10" | 0.35" | −0.26" (−73%) |
| June | 0.00" | 0.10" | −0.10" (−100%) |
| July | 0.00" | 0.07" | −0.07" (−100%) |
| August | 0.00" | 0.06" | −0.06" (−100%) |
| September | 0.67" | 0.12" | +0.55" (+464%) |
| October | 2.57" | 0.63" | +1.94" (+310%) |
| November (to date) | 0.12" | 0.09" | +0.03" (+29%) |
| 2026 YTD Total | 8.34" | 11.53" | −3.18" (27.6% below average) |
Rainfall Totals vs Normals (30 Year Average)
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Rain Forecast for Rialto, CA
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