About Reston, VA's Climate & Weather History

Reston is a city of approximately 58,400 people in Virginia, United States. Located in the Eastern Time Zone at 39°N latitude.

In 2025, Reston recorded an average annual temperature of 56°F — about 0.5°F above the 30-year normal of 56°F. The hottest day reached 99°F in June; the coldest was 6°F in January. Total precipitation was 44 inches (near normal). Snowfall totaled 6 inches, below the 21-inch average. The wettest month was May.