Boxborough Weather Forecast

    • 45
    • 67

    Increasing Clouds

    • 49
    • 61

    Rain Showers

    • 48
    • 66

    Mostly Cloudy

    • 46
    • 60

    Mostly Cloudy

    • 46
    • 60

    Slight Chance Rain Showers

    • 48
    • 59

    Chance Rain Showers

Today 19 Sep Central Middlesex County

Mostly sunny. Much cooler with Highs in the mid 60s. North Winds around 5 Mph, becoming east around 5 Mph in the afternoon.

Tonight 19 Sep Central Middlesex County

Partly cloudy. Lows in the lower 40s. South Winds around 5 Mph.

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Boxborough Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (11.2 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 (11.2 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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