Weather
Washington, DC Weather Oct. 20-22: Lows Near 38°, Cooler Days
Baltimore, MD – Residents across Maryland, Washington, D.C., and northern Virginia can expect a stretch of sunny, dry fall weather through Thursday, October 22, although cooler overnight temperatures
By Audrey Sloan · 2026-10-20T08:58:10.663Z
Baltimore, MD – Residents across Maryland, Washington, D.C., and northern Virginia can expect a stretch of sunny, dry fall weather through Thursday, October 22, although cooler overnight temperatures and a midweek drop in daytime highs will bring a noticeable autumn chill to parts of the region.
According to the National Weather Service Baltimore/Washington office, high pressure will maintain dry conditions and light northerly winds Tuesday, October 20, with afternoon temperatures ranging from the lower 60s to around 70 degrees across the forecast area.
Tuesday will bring some of the warmest conditions of the three day period , with regional highs between 63 and 70 degrees.
Despite the comfortable afternoon temperatures, readings will fall considerably overnight, with lows ranging from 38 to 50 degrees.
The coldest temperatures are expected in valleys and higher elevations, where readings could reach the upper 30s by early Wednesday.
Wednesday, October 21, will bring a noticeable cooldown , with afternoon highs reaching only 60 to 65 degrees across much of the region.
Sunny skies will continue, but temperatures will remain several degrees cooler than Tuesday in many communities.
Wednesday night will bring another chilly period, with regional lows between 38 and 48 degrees.
Thursday, October 22, will feature slightly warmer conditions , with sunshine and afternoon temperatures ranging from 62 to 69 degrees.
Overnight lows will generally range from 40 to 52 degrees.
The dry forecast should provide favorable conditions for commuters, outdoor recreation and fall activities across Baltimore, Washington and surrounding communities.
However, residents heading outdoors during the early morning hours may need jackets or additional layers, particularly in colder inland locations.
No significant rainfall is highlighted in the Weather Service's three day outlook.