Weather Forecast

California

Castroville Weather Forecast

Last Updated: November 10, 2025

Get the latest Weather Forecast, Climate, and Recreation for Castroville in Castroville is a small town located in Monterey County, California, with a population of approximately 6,500 people. Updated daily.

°F

mph

Wind

%

Humidity

The town has a Mediterranean climate, characterized by mild winters and warm summers with low humidity. The area is known for its fertile soil, which supports the growth of various crops, including artichokes, strawberries, and lettuce.

The hydrology constituents of Castroville are primarily groundwater and surface water. The town relies on groundwater from the Salinas Valley Groundwater Basin and receives surface water from the Salinas River.

Outdoor recreation opportunities in Castroville include hiking and biking in the nearby Fort Ord National Monument and exploring the wetlands of Elkhorn Slough. The town is also a gateway to the scenic Monterey Bay area, which offers opportunities for whale watching, kayaking, and surfing.

Weather Forecast

Castroville receives approximately 429mm of rain per year, with humidity levels near 62% and air temperatures averaging around 14°C. Castroville has a plant hardyness factor of 9, meaning plants and agriculture in this region tend to thrive here all year round.