Lexington Weather Forecast

    • 64
    • 78

    Mostly Sunny

    • 72
    • 95

    Partly Sunny

    • 53
    • 90

    Chance Rain Showers

    • 48
    • 68

    Partly Sunny

    • 48
    • 66

    Mostly Cloudy

    • 49
    • 66

    Mostly Cloudy

Today 18 May Southeast Middlesex

Mostly sunny. Highs in the upper 70s. East Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 18 May Southeast Middlesex

Mostly clear. Lows in the mid 60s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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Lexington Temperature Statistics

May Temperature

Laurence G Hanscom Field Airport (3.7 miles)

  • Lowest 9 May, 2026

    34 °F

  • Average May

    54.4 °F

  • Highest 5 May, 2026

    81 °F

Climate (2021–Present)

Laurence G Hanscom Field Airport (3.7 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.6 °F
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