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Rainfall Totals Last 24 Hours in Diamond Bar, CA 91765
Measured from radar and rain gauges by Precip.
Live data updated 1:14 AM CST
0.00" of rain in Diamond Bar, CA 91765 in the last 24 hours
Tue, Nov 3 total: 0.00"
- Past 7 days
- 0.45"
- 2026 so far
- 9.47" 27.2% below average
- Last rain
- 0.39" 2 days ago Nov 1, 12:00 AM - 1:00 PM UTC
- Your exact spot
- Rain varies block by block Pin your yard or field →
Precip measured 0.00" of rain in Diamond Bar, CA 91765 over the last 24 hours and 0.45" over the past 7 days. So far in 2026, Diamond Bar has received 9.47" of rain, 27.2% below average (normal to date: 13.01").
Daily Rainfall Totals in Diamond Bar (Last 7 Days)
Observed 24-hour daily precipitation totals measured by Precip
Monthly Rainfall Totals in Diamond Bar (2026)
Accumulated monthly rainfall compared to 30-year normal averages
| Month | 2026 Total | 30-Yr Normal | vs. Normal |
|---|---|---|---|
| January | 1.53" | 3.66" | −2.13" (−58%) |
| February | 3.79" | 4.30" | −0.51" (−12%) |
| March | 0.63" | 2.63" | −2.00" (−76%) |
| April | 0.34" | 0.89" | −0.55" (−61%) |
| May | 0.02" | 0.36" | −0.34" (−94%) |
| June | 0.00" | 0.12" | −0.12" (−100%) |
| July | 0.00" | 0.05" | −0.05" (−96%) |
| August | 0.02" | 0.00" | +0.02" (+424%) |
| September | 0.90" | 0.14" | +0.76" (+556%) |
| October | 2.21" | 0.78" | +1.43" (+184%) |
| November (to date) | 0.02" | 0.08" | −0.06" (−76%) |
| 2026 YTD Total | 9.47" | 13.01" | −3.54" (27.2% below average) |
Rainfall Totals vs Normals (30 Year Average)
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Nearby Parks, Stadiums & Trailheads
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- Mt. SAC Wildlife Sanctuary (Park)
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- Kellogg Track and Soccer Stadium (Stadium)
- Voorhis Ecological Reserve (Park)
- North Ridge Trail (Trailhead)
- Telegraph Canyon Trail (Trailhead)
- Rimcrest Park Entrance (Trailhead)
- Powder Canyon Trailhead (Trailhead)
- Casino Ridge Trail (Trailhead)
- Pomona Raceway (Stadium)