November in Washington averages a daily high of 14.4°C with nights around 5.2°C. Expect roughly 8.1 wet days totalling 71.6mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Washington is April–May.
Based on WASHINGTON REAGAN NATIONAL AIRPORT, VA US (5.3km), 1995–2024. 30 years of November data.