Current conditions at
Boston, Logan International Airport (KBOS)
Lat: 42.36°NLon: 71.01°WElev: 20ft.
Mostly Cloudy
78°F
26°C
| Humidity | 42% |
| Wind Speed | E 8 mph |
| Barometer | 30.04 in (1017.2 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 25 Jun 5:54 pm EDT |
Extended Forecast for
Chelsea MA
Tonight
Low: 66 °F
Mostly Cloudy
then Slight
Chance
ShowersFriday

High: 77 °F
Chance
ShowersFriday Night
Low: 67 °F
Slight Chance
T-storms then
Mostly CloudySaturday

High: 78 °F
Chance
ShowersSaturday Night
Low: 62 °F
Slight Chance
Showers then
Mostly CloudySunday

High: 81 °F
Mostly Sunny
Sunday Night

Low: 64 °F
Mostly Clear
Monday

High: 81 °F
Sunny
Monday Night

Low: 67 °F
Partly Cloudy
Detailed Forecast
Tonight
A slight chance of showers after 3am. Mostly cloudy, with a low around 66. Southeast wind 5 to 7 mph becoming southwest after midnight. Chance of precipitation is 20%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 77. South wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Increasing clouds, with a low around 67. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Saturday
A chance of showers, mainly after 8am. Mostly cloudy, with a high near 78. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A slight chance of showers before 10pm. Mostly cloudy, with a low around 62. Light and variable wind. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 81. Light and variable wind becoming east 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 64. Calm wind.
Monday
Sunny, with a high near 81. Calm wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 67. Light and variable wind.
Tuesday
Mostly sunny, with a high near 86. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 69. Light southwest wind.
Wednesday
Mostly sunny, with a high near 85. Light southeast wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 71. Southwest wind 5 to 7 mph.
Thursday
Mostly sunny and hot, with a high near 90. South wind 6 to 8 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chelsea MA
42.4°N 71.03°W (Elev. 49 ft)
42.4°N 71.03°W (Elev. 49 ft)
2:29 pm EDT Jun 25, 2026
6pm EDT Jun 25, 2026-6pm EDT Jul 2, 2026


