Marlborough Weather Forecast

    • 63
    • 87

    Rain Showers Likely

    • 51
    • 77

    Sunny

    • 53
    • 78

    Mostly Sunny

    • 66
    • 84

    Partly Sunny

    • 73
    • 89

    Partly Sunny

    • 72
    • 93

    Chance Rain Showers

Today 20 Jul Central Middlesex County

Partly sunny. A chance of Showers and Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 Jul Central Middlesex County

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Humid with Lows in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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Marlborough Temperature Statistics

July Temperature

Laurence G Hanscom Field Airport (15.5 miles)

  • Lowest 4 July, 2025

    59 °F

  • Average July

    77.7 °F

  • Highest 16 July, 2025

    94.6 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (15.5 miles)

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  • Average Low 2020–2025

    41.8 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    62.1 °F
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