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Rainfall Totals Last 24 Hours in Castro Valley, CA 94552
Measured from radar and rain gauges by Precip.
Live data updated 8:49 PM CDT
0.00" of rain in Castro Valley, CA 94552 in the last 24 hours
Sat, Oct 31 total: 0.00"
- Past 7 days
- 0.00"
- 2026 so far
- 11.59" 31.9% below average
- Last rain
- 0.37" 8 days ago Oct 22, 9:00 AM - Oct 23, 2:00 AM UTC
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- Rain varies block by block Pin your yard or field →
Precip measured 0.00" of rain in Castro Valley, CA 94552 over the last 24 hours and 0.00" over the past 7 days. So far in 2026, Castro Valley has received 11.59" of rain, 31.9% below average (normal to date: 17.03").
Daily Rainfall Totals in Castro Valley (Last 7 Days)
No measurable rain in Castro Valley on any of the last 7 days
Monthly Rainfall Totals in Castro Valley (2026)
Accumulated monthly rainfall compared to 30-year normal averages
| Month | 2026 Total | 30-Yr Normal | vs. Normal |
|---|---|---|---|
| January | 2.32" | 4.45" | −2.13" (−48%) |
| February | 3.95" | 4.50" | −0.55" (−12%) |
| March | 0.14" | 3.62" | −3.48" (−96%) |
| April | 4.35" | 1.91" | +2.44" (+128%) |
| May | 0.37" | 0.92" | −0.55" (−60%) |
| June | 0.00" | 0.25" | −0.25" (−100%) |
| July | 0.00" | 0.01" | −0.01" (−100%) |
| August | 0.00" | 0.05" | −0.05" (−100%) |
| September | 0.07" | 0.13" | −0.07" (−49%) |
| October | 0.40" | 1.19" | −0.79" (−67%) |
| 2026 YTD Total | 11.59" | 17.03" | −5.44" (31.9% below average) |
Rainfall Totals vs Normals (30 Year Average)
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Nearby Parks, Stadiums & Trailheads
- Five Canyons Open Space (Park)
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- Pleasanton Ridge Regional Park Restricted Area (Park)
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