Typical August highs at Castle Rock Beach reach about 83°F, with reliable beach weather June to November. Castle Rock Beach is located in Los Angeles, California.
Los Angeles, California · live parking & conditions · updated June 19, 2026
In a typical year August is the warmest month here, with highs near 83°F, and it's reliably beach weather June to November. Tap Castle Rock Beach on the map for live surf, wind, water temperature, UV and tide times.
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