Castroville, CA Monthly Weather

Monterey County4:38 PM PDT36.77°N, 121.76°WElevation 23 ft
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October 2026

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Tue
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177°/51°Avg 74°/51°
272°/55°Avg 74°/51°
375°/53°Avg 74°/51°
495°/53°Avg 74°/51°
596°/59°Avg 74°/50°
686°/55°Avg 74°/50°
783°/55°Avg 74°/50°
891°/55°Avg 74°/50°
976°/56°0.02 inAvg 74°/50°
1064°/58°Avg 74°/50°
1170°/46°Avg 74°/50°
1266°/47°Avg 74°/49°
1369°/47°<0.01 inAvg 74°/49°
1473°/46°Avg 74°/49°
1577°/46°Avg 74°/49°
1692°/48°<0.01 inAvg 74°/49°
1793°/51°Avg 74°/49°
1895°/53°Avg 74°/48°
1976°/53°Avg 74°/48°
20Avg 74°/48°
21Avg 74°/48°
22Avg 73°/48°
23Avg 73°/48°
24 Sunny 71°/50°Avg 73°/47°
25 Mostly Sunny 74°/51°Avg 73°/47°
26 Mostly Sunny 73°/50°Avg 73°/47°
27 Mostly Sunny 67°/–Avg 73°/47°
28 Cloudy 77°/60°Avg 72°/47°
29 Partly cloudy 73°/58°Avg 72°/46°
30Avg 72°/46°
31Avg 72°/46°
Average high80° (normal 74°)
Average low52° (normal 50°)
Warmest / coldest96° / 46°
Precipitation0.04 in (normal 0.42 in to date)
Record high today95° (2008)
Record low today26° (1912)

Observed: Watsonville Waterworks, 18 km away, records since 1908. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.