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: 6:14 pm EDT Jul 12, 2025		Print

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 18. Southeast wind 5 to 8 km/h.

    Low: 18 °C

    Patchy Fog




  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 28. Southeast wind 5 to 11 km/h.

    High: 28 °C

    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 19. South wind 8 to 11 km/h. Chance of precipitation is 60%.

    Low: 19 °C

    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 29. Southwest wind 8 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    High: 29 °C

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 21. Southwest wind 8 to 10 km/h. Chance of precipitation is 30%.

    Low: 21 °C

    Chance
    T-storms then
    Partly Cloudy


  • Tuesday

    Tuesday: Sunny and hot, with a high near 33. West wind 5 to 8 km/h.

    High: 33 °C

    Hot




  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 22. Southwest wind 8 to 10 km/h.

    Low: 22 °C

    Mostly Clear




  • Wednesday

    Wednesday: Sunny and hot, with a high near 34. Light west wind becoming southwest 6 to 11 km/h in the morning.

    High: 34 °C

    Hot




  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 23. Southwest wind around 11 km/h.

    Low: 23 °C

    Partly Cloudy




    • Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 18. Southeast wind 5 to 8 km/h.

    Sunday: Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 28. Southeast wind 5 to 11 km/h.

    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 19. South wind 8 to 11 km/h. 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 29. Southwest wind 8 to 10 km/h. Chance of precipitation is 60%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Monday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 21. Southwest wind 8 to 10 km/h. Chance of precipitation is 30%.

    Tuesday: Sunny and hot, with a high near 33. West wind 5 to 8 km/h.

    Tuesday Night: Mostly clear, with a low around 22. Southwest wind 8 to 10 km/h.

    Wednesday: Sunny and hot, with a high near 34. Light west wind becoming southwest 6 to 11 km/h in the morning.

    Wednesday Night: Partly cloudy, with a low around 23. Southwest wind around 11 km/h.

    Thursday: A chance of showers after 3pm. Mostly sunny and hot, with a high near 33. Southwest wind 10 to 14 km/h. Chance of precipitation is 30%.

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 23. Southwest wind around 11 km/h. Chance of precipitation is 30%.

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 30. Southwest wind 11 to 13 km/h. Chance of precipitation is 40%.

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 20. South wind 8 to 10 km/h becoming northwest after midnight. Chance of precipitation is 30%.

    Saturday: A chance of showers. Partly sunny, with a high near 28. North wind 8 to 11 km/h. Chance of precipitation is 30%.


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

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