Baltimore’s mild start to the week is expected to give way to a wet, cooler finish. Tuesday is forecast to rise from the low 40s to about 68 degrees under sunny skies, followed by a partly sunny Wednesday near 66. The National Weather Service forecast then calls for a 70% chance of rain Thursday, with a high near 63.
A sharp change after midweek
Rain may persist Thursday night and into Friday morning. Friday’s forecast high is about 51, with northwest winds becoming more noticeable; Friday night temperatures could fall into the mid-30s. The weekend outlook is partly sunny Saturday near 51 and mostly sunny Sunday near 54, with northwest gusts of 20 to 30 knots forecast Friday through Sunday. The broader outlook keeps the region cooler than normal into early next week.
That quick turn is the immediate forecast, not evidence by itself of a long-term shift. NOAA’s 2025 Maryland and District of Columbia State Climate Summaries report that Maryland’s annual average temperature has risen more than 2.5°F since the beginning of the 20th century. The summaries also say annual precipitation has generally been near or above average since the 1970s and extreme precipitation events have generally been above average. Those statewide, long-term patterns do not establish the cause of this week’s expected rain or temperature change.
What to plan around
The main practical change is the combination of rain late Thursday into Friday and colder, gustier conditions afterward. Keep plans that depend on dry weather flexible for Thursday, and allow for wind and a much colder Friday night and weekend.
