| NWS Forecast for: Groton MA Issued by: National Weather Service Norton, MA Last Update: 10:42 pm EDT Jul 16, 2025 | |
Overnight: Mostly cloudy, with a low around 72. Calm wind. Thursday: A chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday Night: A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 68. Southwest wind 7 to 11 mph becoming northwest after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Friday: Sunny, with a high near 81. Northwest wind 9 to 14 mph, with gusts as high as 24 mph. Friday Night: Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening. Saturday: Mostly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon. Saturday Night: A chance of showers after 11pm. Mostly cloudy, with a low around 64. Light southwest wind. Chance of precipitation is 40%. Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 50%. Sunday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 60. Light northwest wind. Chance of precipitation is 30%. Monday: Sunny, with a high near 81. North wind 3 to 5 mph. Monday Night: Mostly clear, with a low around 58. Light northwest wind. Tuesday: Mostly sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Tuesday Night: Mostly clear, with a low around 61. South wind around 5 mph becoming calm in the evening. Wednesday: Mostly sunny, with a high near 84. Southwest wind 3 to 7 mph. | |
| Groton MA 42.6°N 71.58°W (Elev. 299 ft) | |
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