Marlborough Weather Forecast

    • 61
    • 81

    Slight Chance Thunderstorms

    • 63
    • 84

    Mostly Cloudy

    • 65
    • 84

    Rain Showers Likely

    • 62
    • 82

    Rain Showers

    • 62
    • 83

    Partly Sunny

    • 65
    • 85

    Slight Chance Thunderstorms

Today 31 Jul Central Middlesex County

Partly sunny with a slight chance of Showers and Thunderstorms. Warmer. Near steady temperature around 80. West Winds around 5 Mph. Chance of rain 20 percent.

Tonight 31 Jul Central Middlesex County

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Patchy fog after midnight. Humid with Lows in the lower 60s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marlborough Temperature Statistics

July Temperature

Laurence G Hanscom Field Airport (15.5 miles)

  • Lowest 26 July, 2026

    46.9 °F

  • Average July

    72.9 °F

  • Highest 2 July, 2026

    98.1 °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

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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