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7-Day Forecast 42.39°N 71.09°W (Text-Only)
NWS Forecast for: Somerville MA
Issued by: National Weather Service Norton, MA
Last Update: 11:57 pm EDT Jun 29, 2026
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  • Overnight

    Overnight: Mostly clear, with a low around 66. Southwest wind 3 to 6 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. South wind 5 to 11 mph.

    High: 89 °F

    Mostly Sunny

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, mainly after 10pm.  Mostly cloudy, with a low around 73. Southwest wind around 14 mph.  Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind 13 to 15 mph.

    High: 99 °F

    Hot

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 79. Southwest wind 6 to 10 mph.  Chance of precipitation is 20%.

    Low: 79 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny and hot, with a high near 100. West wind 7 to 9 mph.

    High: 100 °F

    Hot

  • Thursday
    Night

    Thursday Night: Clear, with a low around 80. West wind 5 to 8 mph.

    Low: 80 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. West wind 6 to 11 mph.

    High: 100 °F

    Hot

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 76. West wind 3 to 7 mph.

    Low: 76 °F

    Mostly Clear



  • Overnight: Mostly clear, with a low around 66. Southwest wind 3 to 6 mph.

    Tuesday: Mostly sunny, with a high near 89. South wind 5 to 11 mph.

    Tuesday Night: A chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 73. Southwest wind around 14 mph. Chance of precipitation is 40%.

    Wednesday: Partly sunny and hot, with a high near 99. Heat index values as high as 107. Southwest wind 13 to 15 mph.

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 79. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.

    Thursday: Sunny and hot, with a high near 100. West wind 7 to 9 mph.

    Thursday Night: Clear, with a low around 80. West wind 5 to 8 mph.

    Friday: Sunny and hot, with a high near 100. West wind 6 to 11 mph.

    Friday Night: Mostly clear, with a low around 76. West wind 3 to 7 mph.

    Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. West wind 5 to 8 mph. Chance of precipitation is 40%.

    Saturday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. West wind 3 to 5 mph. Chance of precipitation is 30%.

    Sunday: Mostly sunny, with a high near 89. Light and variable wind becoming northeast 5 to 8 mph in the morning.

    Sunday Night: Partly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.

    Monday: Partly sunny, with a high near 84. Light east wind increasing to 5 to 9 mph in the morning.



    Somerville MA
     42.39°N 71.09°W (Elev. 46 ft)

    Visit your local NWS office at: https://www.weather.gov/boston