| NWS Forecast for: Chelmsford MA Issued by: National Weather Service Norton, MA Last Update: 6:22 pm EDT Jun 21, 2024 |  |
| Tonight: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 9pm. Low around 65. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Saturday: A slight chance of showers, then showers and thunderstorms likely after noon. Patchy fog between 9am and 10am. Otherwise, mostly cloudy, with a high near 83. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. Saturday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Sunday: A slight chance of showers before 9am, then a chance of showers and thunderstorms between 9am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 85. Light southwest wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 69. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Monday: A chance of showers, with thunderstorms also possible after 9am. Partly sunny, with a high near 81. Southwest wind 8 to 10 mph. Chance of precipitation is 50%. Monday Night: A chance of showers before 11pm. Partly cloudy, with a low around 62. Northwest wind around 7 mph. Chance of precipitation is 40%. Tuesday: Sunny, with a high near 84. Northwest wind around 7 mph. Tuesday Night: Mostly clear, with a low around 64. Southwest wind around 6 mph. Wednesday: Mostly sunny, with a high near 89. Southwest wind 7 to 11 mph. Wednesday Night: A chance of showers. Mostly cloudy, with a low around 68. Southwest wind 7 to 9 mph. Chance of precipitation is 40%. Thursday: A chance of showers. Partly sunny, with a high near 83. West wind around 8 mph. Chance of precipitation is 40%. Thursday Night: Partly cloudy, with a low around 60. Northwest wind around 7 mph. Friday: Sunny, with a high near 81. Northwest wind around 8 mph. | |
| Chelmsford MA 42.6°N 71.37°W (Elev. 285 ft) | |
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