Search again
Rainfall Totals Last 24 Hours in San Mateo County, CA
Measured from radar and rain gauges by Precip.
0.00" of rain in San Mateo County, CA in the last 24 hours
Sat, Oct 31 total: 0.00"
- Past 7 days
- 0.00"
- 2026 so far
- 13.41" 41.3% below average
- Last rain
- 0.09" 9 days ago Oct 22, 11:00 AM - 5:00 PM UTC
- Your exact spot
- Rain varies block by block Pin your yard or field →
Precip measured 0.00" of rain in San Mateo County, CA over the last 24 hours and 0.00" over the past 7 days. So far in 2026, San Mateo County, CA has received 13.41" of rain, 41.3% below average (normal to date: 22.84").
Daily Rainfall Totals in San Mateo County, CA (Last 7 Days)
No measurable rain in San Mateo County, CA on any of the last 7 days
Monthly Rainfall Totals in San Mateo County, CA (2026)
Accumulated monthly rainfall compared to 30-year normal averages
| Month | 2026 Total | 30-Yr Normal | vs. Normal |
|---|---|---|---|
| January | 3.39" | 6.06" | −2.67" (−44%) |
| February | 5.20" | 6.16" | −0.96" (−16%) |
| March | 0.05" | 4.80" | −4.75" (−99%) |
| April | 4.12" | 2.39" | +1.72" (+72%) |
| May | 0.51" | 1.07" | −0.56" (−52%) |
| June | 0.00" | 0.39" | −0.39" (−100%) |
| July | 0.01" | 0.06" | −0.05" (−87%) |
| August | 0.01" | 0.12" | −0.11" (−92%) |
| September | 0.04" | 0.18" | −0.14" (−78%) |
| October | 0.08" | 1.60" | −1.52" (−95%) |
| 2026 YTD Total | 13.41" | 22.84" | −9.43" (41.3% below average) |
Rainfall Totals vs Normals (30 Year Average)
Download Now
Track rainfall in San Mateo County, CA every day
Get hyper-local alerts, save unlimited locations, and unlock deeper history in the Precip app.
4.8 from over 10K ratings
Nearby Locations
Rainfall Totals
Snow Totals
Nearby Parks, Stadiums & Trailheads
- El Corte de Madera Creek Open Space Preserve (closed area) (Park)
- El Corte de Madera Creek Open Space Preserve (Park)
- Star Hill Road (Trailhead)
- Tunitas Creek Open Space Preserve (closed) (Park)
- Purisima Creek Redwoods Open Space Preserve (closed area) (Park)
- La Honda Creek Open Space Preserve (permit area) (Park)
- Purisima Creek Redwoods Open Space Preserve (Park)
- La Honda Creek Open Space Preserve (closed areas) (Park)
- Wunderlich County Park (Park)
- Teague Hill Open Space Preserve (Park)
- La Honda Creek Open Space Preserve (Park)
- Huddart County Park (Park)
California counties
- Alameda County
- Alpine County
- Amador County
- Butte County
- Calaveras County
- Colusa County
- Contra Costa County
- Del Norte County
- El Dorado County
- Fresno County
- Glenn County
- Humboldt County
- Imperial County
- Inyo County
- Kern County
- Kings County
- Lake County
- Lassen County
- Los Angeles County
- Madera County
- Marin County
- Mariposa County
- Mendocino County
- Merced County
- Modoc County
- Mono County
- Monterey County
- Napa County
- Nevada County
- Orange County
- Placer County
- Plumas County
- Riverside County
- Sacramento County
- San Benito County
- San Bernardino County
- San Diego County
- San Francisco County
- San Joaquin County
- San Luis Obispo County
- San Mateo County
- Santa Barbara County
- Santa Clara County
- Santa Cruz County
- Shasta County
- Sierra County
- Siskiyou County
- Solano County
- Sonoma County
- Stanislaus County
- Sutter County
- Tehama County
- Trinity County
- Tulare County
- Tuolumne County
- Ventura County
- Yolo County
- Yuba County
All states
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming