National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 42.36°N 71.55°W (Text-Only)
NWS Forecast for: Marlborough MA
Issued by: National Weather Service Norton, MA
Last Update: 6:14 pm EDT Jul 12, 2025		Print

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Patchy Fog




  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 85. Southeast wind 3 to 7 mph.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny


  • Sunday
    Night

    Sunday Night: Showers likely and possibly a thunderstorm between 4am and 5am, then showers likely after 5am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 66. South wind 3 to 6 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Partly Cloudy
    then Showers
    Likely and
    Patchy Fog

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 84. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 68. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Partly Cloudy


  • Tuesday

    Tuesday: Sunny and hot, with a high near 91. West wind 3 to 5 mph.

    High: 91 °F

    Hot




  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 70. Southwest wind 3 to 5 mph.

    Low: 70 °F

    Mostly Clear




  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 93 °F

    Hot




  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 73. Southwest wind around 7 mph.

    Low: 73 °F

    Partly Cloudy




    • Overnight: Patchy fog. Otherwise, cloudy, with a low around 63. Calm wind.

    Sunday: Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 85. Southeast wind 3 to 7 mph.

    Sunday Night: Showers likely and possibly a thunderstorm between 4am and 5am, then showers likely after 5am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 66. South wind 3 to 6 mph. Chance of precipitation is 60%.

    Monday: Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 84. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Monday Night: A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 68. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Tuesday: Sunny and hot, with a high near 91. West wind 3 to 5 mph.

    Tuesday Night: Mostly clear, with a low around 70. Southwest wind 3 to 5 mph.

    Wednesday: Sunny and hot, with a high near 93. Calm wind becoming southwest around 6 mph in the afternoon.

    Wednesday Night: Partly cloudy, with a low around 73. Southwest wind around 7 mph.

    Thursday: A chance of showers after 2pm. Mostly sunny and hot, with a high near 91. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 72. Southwest wind around 7 mph. Chance of precipitation is 30%.

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind around 7 mph. Chance of precipitation is 40%.

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Saturday: A chance of showers. Partly sunny, with a high near 83. North wind around 6 mph. Chance of precipitation is 30%.


    Marlborough MA
     42.36°N 71.55°W (Elev. 446 ft)

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