In April, Reston typically sees daytime highs of 19.2°C and overnight lows around 5.6°C. Compared to the annual average high of 18.8°C, April runs +0.4°C.
April in Reston averages a daytime high of 19.2°C and an overnight low of 5.6°C.
April runs +0.4°C compared to Reston's annual average high of 18.8°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 19.2°C and cooler evenings around 5.6°C.