Weather forecast for: Chelsea MA
Last Update: 8:20 pm EDT Sep 2, 2026
Overnight: Showers likely, then showers and possibly a thunderstorm after 5am. Low around 64. Southeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: Showers and thunderstorms, mainly before 2pm. Patchy fog before noon. High near 82. South wind 8 to 10 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night: Partly cloudy, with a low around 67. Calm wind becoming west around 5 mph after midnight.
Friday: A slight chance of showers after 2pm. Mostly sunny, with a high near 82. Northwest wind around 6 mph. Chance of precipitation is 20%.
Friday Night: Partly cloudy, with a low around 64. Northwest wind 3 to 6 mph.
Saturday: A chance of showers, mainly after 4pm. Mostly sunny, with a high near 70. Northeast wind 8 to 11 mph. Chance of precipitation is 30%.
Saturday Night: A chance of showers before 7pm. Partly cloudy, with a low around 57. North wind around 6 mph. Chance of precipitation is 30%.
Sunday: Sunny, with a high near 71. Northeast wind 8 to 11 mph.
Sunday Night: Mostly clear, with a low around 58. Light and variable wind.
Labor Day: Sunny, with a high near 76. Northwest wind around 6 mph becoming east in the afternoon.
Monday Night: Partly cloudy, with a low around 62. West wind 3 to 5 mph.
Tuesday: Mostly sunny, with a high near 79. West wind 6 to 8 mph.
Tuesday Night: Partly cloudy, with a low around 60. West wind around 6 mph.
Wednesday: Mostly sunny, with a high near 74. Southwest wind 7 to 9 mph.