| NWS Forecast for: Merrimac MA Issued by: National Weather Service Norton, MA Last Update: 2:50 pm EDT Oct 9, 2026 |  |
| Tonight: Mostly clear, with a low around 41. West wind 5 to 7 mph. Saturday: Sunny, with a high near 62. Northwest wind 5 to 7 mph. Saturday Night: Partly cloudy, with a low around 43. Calm wind. Sunday: Increasing clouds, with a high near 64. Calm wind becoming south around 5 mph in the afternoon. Sunday Night: Rain, mainly after 9pm. Low around 53. Light and variable wind. Chance of precipitation is 90%. Columbus Day: Rain, mainly before 8am. High near 66. Northeast wind 3 to 5 mph. Chance of precipitation is 80%. Monday Night: Partly cloudy, with a low around 51. Calm wind. Tuesday: A chance of showers after 8am. Partly sunny, with a high near 64. Northeast wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 50%. Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 47. East wind around 7 mph becoming northwest after midnight. Chance of precipitation is 60%. Wednesday: A chance of showers before 10am. Partly sunny, with a high near 59. North wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Wednesday Night: Partly cloudy, with a low around 40. Northwest wind around 5 mph. Thursday: Sunny, with a high near 58. Northwest wind around 6 mph. Thursday Night: Partly cloudy, with a low around 41. Light southwest wind. Friday: A chance of showers. Partly sunny, with a high near 58. South wind 5 to 7 mph. Chance of precipitation is 30%. | |
| Merrimac MA 42.84°N 70.99°W (Elev. 98 ft) | |
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