By 1 p.m. Wednesday, temperatures had reached 77 degrees at Baltimore’s Inner Harbor and 79 at BWI, where skies were partly sunny. The National Weather Service forecasts a high near 80 for the day, followed by increasing clouds and a low around 64 tonight. Wednesday’s hourly observations and Baltimore’s point forecast show the latest conditions and outlook.
Sunny Stretch Builds Through Friday
The National Weather Service forecasts a high near 80 Wednesday, with southwest winds around 5 to 6 mph in the afternoon. Clouds will increase tonight, with a low around 64 and light south winds. Baltimore’s updated forecast gives the latest timing and wind details.
Thursday is forecast to be mostly cloudy at first, then gradually turn sunny, with a high near 84. Friday could reach around 87 under mostly sunny skies, with a 20% chance of showers after 2 p.m. The National Weather Service’s Baltimore forecast gives the latest outlook for both days.
Thursday’s forecast high is well above the early-October norm: Baltimore’s Oct. 1 normal high is 72.5 degrees and its normal low is close to 53 degrees, compared with a forecast high of 84. Forecasters expect temperatures to stay above normal through Friday before the cooler pattern arrives. Baltimore’s October climate normals and the regional forecast discussion put the warm spell in context.
Weekend Brings Showers And A Sharp Cooldown
The first cold front is expected to cross Friday evening, bringing a chance of showers, mainly between 8 p.m. and 2 a.m.; the low will be around 60, with a 40% chance of precipitation. Saturday is forecast to be mostly cloudy, with a high near 71. Saturday night, showers are possible mainly after 2 a.m., with a low around 58 and a 30% chance of precipitation. The latest Baltimore forecast does not specify thunderstorms Saturday night.
The weekend shift is expected to unfold in stages. The first cold front is forecast to cross Friday evening, then stall across the southern Mid-Atlantic on Saturday; a wave of low pressure could bring showers back Sunday. A second, dry cold front is expected Monday, ushering in a sharper cooldown for the first full week of October. The National Weather Service’s regional discussion describes the two-front setup.
Sunday looks unsettled, with a 50% chance of showers and a high near 68. The forecast remains cooler than the warm midweek stretch, but currently calls for a higher high and lower rain chance than the earlier outlook stated. The National Weather Service’s updated Sunday forecast gives the latest numbers.
Next Week Turns Crisp
Monday brings mostly sunny skies and a high near 68, followed by a much cooler night near 46. Tuesday looks sunny but brisk, with a high around 61 and no rain expected.
No watches, warnings or advisories are listed for Baltimore city. The National Weather Service has, however, issued a coastal flood advisory for shoreline areas of Anne Arundel County from 6 p.m. Wednesday to midnight; the advisory warns of inundation above ground in low-lying areas. The regional alert listing and the advisory details identify the affected area and timing.
