Lexington Weather Forecast

    • 51
    • 68

    Increasing Clouds

    • 50
    • 63

    Mostly Cloudy

    • 49
    • 64

    Mostly Cloudy

    • 49
    • 62

    Chance Rain Showers

    • 51
    • 62

    Rain Showers Likely

    • 52
    • 63

    Chance Rain Showers

Today 21 Sep Southeast Middlesex

Mostly sunny. Near steady temperature in the mid 60s. Northeast Winds 5 to 10 Mph.

Tonight 21 Sep Southeast Middlesex

Mostly cloudy. Lows in the lower 50s. Northeast Winds 5 to 10 Mph.

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Lexington Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (3.7 miles)

  • Lowest 15 September, 2026

    41 °F

  • Average September

    65.3 °F

  • Highest 4 September, 2026

    84 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (3.7 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.7 °F
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