Weather forecast for: Cohasset MA
Last Update: 7:32 pm EDT Sep 14, 2026
Tonight: Clear, with a low around 54. Northeast wind 8 to 10 mph.
Tuesday: Sunny, with a high near 68. Northeast wind 6 to 8 mph.
Tuesday Night: Mostly clear, with a low around 53. Southeast wind around 5 mph becoming light and variable after midnight.
Wednesday: Sunny, with a high near 77. Southwest wind 5 to 7 mph.
Wednesday Night: Partly cloudy, with a low around 63. Southwest wind around 6 mph.
Thursday: Mostly sunny, with a high near 74. Light and variable wind becoming southeast around 6 mph in the morning.
Thursday Night: A chance of showers after 9pm. Mostly cloudy, with a low around 62. South wind around 7 mph. Chance of precipitation is 40%.
Friday: A chance of showers before 9am. Mostly sunny, with a high near 76. Northwest wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Friday Night: Partly cloudy, with a low around 57. Calm wind becoming north 5 to 7 mph after midnight.
Saturday: Mostly sunny, with a high near 70. Northeast wind around 7 mph becoming east in the afternoon.
Saturday Night: A chance of showers. Mostly cloudy, with a low around 57. South wind 6 to 8 mph. Chance of precipitation is 40%.
Sunday: A chance of showers. Mostly cloudy, with a high near 73. South wind 11 to 15 mph becoming north in the afternoon. Chance of precipitation is 50%.
Sunday Night: A chance of showers. Mostly cloudy, with a low around 56. Northeast wind around 10 mph. Chance of precipitation is 30%.
Monday: Partly sunny, with a high near 69. Northeast wind 11 to 14 mph.