Marlborough Weather Forecast

    • 51
    • 71

    Mostly Sunny

    • 60
    • 78

    Partly Sunny

    • 62
    • 76

    Chance Rain Showers

    • 54
    • 77

    Partly Sunny

    • 56
    • 71

    Chance Rain Showers

    • 54
    • 71

    Chance Rain Showers

Today 15 Sep Central Middlesex County

Sunny. Highs around 70. North Winds around 5 Mph, becoming southeast around 5 Mph in the afternoon.

Tonight 15 Sep Central Middlesex County

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds around 5 Mph.

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  • Temperature Real-Time

Marlborough Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (15.5 miles)

  • Lowest 12 September, 2026

    44.1 °F

  • Average September

    66.2 °F

  • Highest 4 September, 2026

    84 °F

Climate (2021–2026)

Laurence G Hanscom Field Airport (15.5 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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