Boxborough Weather Forecast

    • 54
    • 91

    Chance Rain Showers

    • 40
    • 68

    Mostly Cloudy

    • 48
    • 69

    Chance Rain Showers

    • 45
    • 62

    Chance Rain Showers

    • 47
    • 59

    Chance Rain Showers

    • 52
    • 68

    Slight Chance Rain Showers

Today 20 May Central Middlesex County

Partly sunny. A slight chance of Showers. Hot with Highs in the lower 90s. West Winds around 10 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 20 May Central Middlesex County

Partly cloudy in the Evening, then becoming mostly cloudy. Much cooler. Less humid with Lows in the mid 50s. West Winds 5 to 10 Mph with Gusts up to 25 Mph, becoming northwest after midnight.

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Boxborough Temperature Statistics

May Temperature

Laurence G Hanscom Field Airport (11.2 miles)

  • Lowest 9 May, 2026

    34 °F

  • Average May

    56.4 °F

  • Highest 17 May, 2026

    87.1 °F

Climate (2021–Present)

Laurence G Hanscom Field Airport (11.2 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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