Boston Logan Airport (BOS) Weather 10/21/2025
Overnight
57
Slight Chance Showers
Monday
66
Heavy Rain and Patchy Fog
Monday Night
50
Partly Cloudy
Tuesday
64
Sunny
Tuesday Night
54
Partly Cloudy then Showers Likely
Wednesday
65
Showers
Wednesday Night
47
Chance Showers then Mostly Clear
Thursday
60
Sunny then Chance Showers
Thursday Night
44
Partly Cloudy
Friday
57
Mostly Sunny
Friday Night
42
Mostly Clear
Saturday
56
Mostly Sunny
Saturday Night
42
Partly Cloudy
Weekly Forecast
Overnight
A slight chance of showers. Mostly cloudy, with a low around 57. Southeast wind around 14 mph. Chance of precipitation is 20%.
Monday
Showers and possibly a thunderstorm before 2pm, then showers likely. Some of the storms could produce heavy rainfall. Patchy fog between 9am and 2pm. High near 66. Southeast wind 13 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Partly cloudy, with a low around 50. Southwest wind around 14 mph.
Tuesday
Sunny, with a high near 64. Southwest wind 11 to 13 mph.
Tuesday Night
Showers likely, mainly after 5am. Partly cloudy, with a low around 54. South wind around 10 mph. Chance of precipitation is 60%.
Wednesday
Showers, mainly before 5pm. High near 65. South wind 10 to 16 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of showers before 10pm. Partly cloudy, with a low around 47. Southwest wind 11 to 13 mph. Chance of precipitation is 30%.
Thursday
A chance of showers after 5pm. Mostly sunny, with a high near 60. Southwest wind 11 to 16 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 44. West wind around 10 mph.
Friday
Mostly sunny, with a high near 57. West wind 10 to 14 mph.
Friday Night
Mostly clear, with a low around 42. West wind around 10 mph.
Saturday
Mostly sunny, with a high near 56. West wind 8 to 11 mph.
Saturday Night
Partly cloudy, with a low around 42. Northwest wind around 7 mph.