Stow Weather Forecast

    • 58
    • 81

    Sunny

    • 46
    • 77

    Sunny

    • 43
    • 68

    Mostly Sunny

    • 46
    • 71

    Partly Sunny

    • 57
    • 75

    Partly Sunny

    • 60
    • 82

    Slight Chance Rain Showers

    • 56
    • 78

    Slight Chance Rain Showers

Today 18 Sep Central Middlesex County

Sunny. Highs around 80. West Winds around 5 Mph.

Tonight 18 Sep Central Middlesex County

Clear. Lows in the upper 50s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stow Temperature Statistics

September Temperature

Laurence G Hanscom Field Airport (10.6 miles)

  • Lowest 9 September, 2025

    43 °F

  • Average September

    63 °F

  • Highest 6 September, 2025

    86 °F

Climate (2020–Present)

Laurence G Hanscom Field Airport (10.6 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.9 °F

  • Average High 2020–2025

    62 °F
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