Lake Forest, in California, United States, is home to roughly 82,500 people in the Pacific Time Zone at 33.6°N latitude.
In 2025, Lake Forest recorded an average annual temperature of 63°F — about 1.5°F below the 30-year normal of 65°F. The hottest day reached 99°F in May; the coldest was 39°F in March. Total precipitation was 19 inches (wetter than usual). The wettest month was March.
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