Washington Dc Weather 20 Day 2025 Outlook. A risky day is not a direct prediction of precipitation (rain/snow) but instead a forecast of ideal conditions for a storm to enter the region. Weather.com brings you the most accurate monthly weather forecast for washington, dc with average/record and high/low temperatures, precipitation and more.

Ideal for planning your activities. Weather.com brings you the most accurate monthly weather forecast for washington, dc with average/record and high/low temperatures, precipitation and more.