With a population of around 19,600, Montclair sits in Virginia, United States. The city operates in the Eastern Time Zone.
In 2025, Montclair recorded an average annual temperature of 56°F — about 0.8°F above the 30-year normal of 56°F. The hottest day reached 97°F in June; the coldest was 8°F in January. Total precipitation was 44 inches (near normal). Snowfall totaled 7 inches, below the 21-inch average. The wettest month was May.
View current conditions and forecast for Montclair · More cities in Virginia