| NWS Forecast for: Merrimac MA Issued by: National Weather Service Norton, MA Last Update: 3:57 am EDT Jul 9, 2025 | |
| Overnight: A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 66. Light northeast wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday: A chance of showers and thunderstorms, mainly before 4pm. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 72. Northeast wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Light east wind. Chance of precipitation is 30%. Thursday: Showers likely and possibly a thunderstorm before 11am, then showers likely between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 11am, then patchy fog after 4pm. Otherwise, cloudy, with a high near 71. East wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Thursday Night: A chance of showers and thunderstorms. Patchy fog before 9pm. Otherwise, cloudy, with a low around 62. Light northeast wind. Chance of precipitation is 40%. Friday: Mostly cloudy, with a high near 78. Light east wind. Friday Night: Mostly cloudy, with a low around 63. Light and variable wind. Saturday: Partly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon. Saturday Night: Mostly cloudy, with a low around 65. Light south wind. Sunday: Partly sunny, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the afternoon. Sunday Night: Mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening. Monday: A chance of showers. Partly sunny, with a high near 86. South wind 3 to 5 mph. Chance of precipitation is 30%. Monday Night: Mostly cloudy, with a low around 67. Light and variable wind. Tuesday: Mostly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon. | |
| Merrimac MA 42.84°N 70.99°W (Elev. 98 ft) | |
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