Historical weather data, all-time temperature records, and monthly climate averages for Montclair, VA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Montclair sits squarely in that unpredictable stretch of spring, with highs that have swung from a bitter 28° back in 1964 all the way to 85° just two years ago in 2023. On average, expect a pleasant 63° high and 42° low — jacket weather, but not coat weather. There's about a 1-in-4 chance of rain, and snow is effectively off the table.
Montclair knows extremes — this is a place that has baked at 106° in July 2012 and frozen to -6° in February 1996, a swing of 112 degrees across its recorded history. The wettest single day on record dumped 5.28 inches on September 30, 2010, and a February 2003 snowstorm buried the area under 17.9 inches in one shot.
Summer is the undisputed headline here, with mid-July highs averaging 89° and late July bringing the year's heaviest rainfall — about an inch a week. If you're avoiding heat, aim for late fall or early spring; January and February highs hover in the mid-40s, making them the coolest months. April through October covers the full warm season, with highs climbing from 67° to a peak of 88° in July before tapering back down.