With a population of around 4,700, Fox River Grove sits in Illinois, United States. The city operates in the Central Time Zone.
In 2025, Fox River Grove recorded an average annual temperature of 50°F — about 1.1°F below the 30-year normal of 51°F. The hottest day reached 94°F in June; the coldest was -10°F in February. Total precipitation was 33 inches (near normal). The wettest month was June.
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