Baltimore Washington Airport (BWI) Weather 07/13/2026

Tonight

Showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Some of the storms could be severe. Low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 92. Heat index values as high as 101. West wind 5 to 8 mph. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms before 11pm, then isolated showers. Mostly cloudy, with a low around 71. Light west wind. Chance of precipitation is 40%.

Saturday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. North wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Light northeast wind. Chance of precipitation is 60%.

Sunday

Mostly sunny, with a high near 86.

Sunday Night

Partly cloudy, with a low around 67.

Monday

Mostly sunny, with a high near 85.

Monday Night

Partly cloudy, with a low around 66.

Tuesday

Sunny, with a high near 88.

Tuesday Night

Mostly clear, with a low around 70.

Wednesday

Sunny, with a high near 95.

Wednesday Night

Mostly clear, with a low around 74.