National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 42.45°N 71.23°W (Text-Only)
NWS Forecast for: Lexington MA
Issued by: National Weather Service Norton, MA
Last Update: 2:22 am EDT Jul 13, 2025		Print

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 65. Light southeast wind.

    Low: 65 °F

    Patchy Fog




  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Southeast wind 3 to 7 mph.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny


  • Sunday
    Night

    Sunday Night: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 67. Southeast wind 3 to 6 mph.

    Low: 67 °F

    Partly Cloudy
    then Patchy
    Fog


  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 86. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 71. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Cloudy


  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 90. West wind 3 to 5 mph.

    High: 90 °F

    Hot




  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 71. Southwest wind 3 to 5 mph.

    Low: 71 °F

    Mostly Clear




  • Wednesday

    Wednesday: Sunny and hot, with a high near 92. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 92 °F

    Hot




  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 74. Southwest wind around 6 mph.

    Low: 74 °F

    Mostly Cloudy




    • Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 65. Light southeast wind.

    Sunday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 83. Southeast wind 3 to 7 mph.

    Sunday Night: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 67. Southeast wind 3 to 6 mph.

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 86. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Monday Night: A slight chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 71. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Tuesday: Mostly sunny and hot, with a high near 90. West wind 3 to 5 mph.

    Tuesday Night: Mostly clear, with a low around 71. Southwest wind 3 to 5 mph.

    Wednesday: Sunny and hot, with a high near 92. Calm wind becoming south 5 to 7 mph in the afternoon.

    Wednesday Night: Mostly cloudy, with a low around 74. Southwest wind around 6 mph.

    Thursday: A chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 89. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind around 7 mph. Chance of precipitation is 30%.

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 89. West wind around 7 mph. Chance of precipitation is 30%.

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Northwest wind around 6 mph. Chance of precipitation is 30%.

    Saturday: Mostly sunny, with a high near 84. North wind around 7 mph becoming east in the afternoon.


    Lexington MA
     42.45°N 71.23°W (Elev. 223 ft)

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