Waldwick, in New Jersey, United States, is home to roughly 10,100 people in the Eastern Time Zone at 41°N latitude.
In 2025, Waldwick recorded an average annual temperature of 53°F — about 2.2°F below the 30-year normal of 55°F. The hottest day reached 100°F in June; the coldest was 2°F in January. Total precipitation was 41 inches (drier than usual). The wettest month was May.
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