Tyngsboro Weather Forecast

    • 45
    • 65

    Partly Sunny

    • 44
    • 64

    Mostly Sunny

    • 47
    • 65

    Partly Sunny

    • 51
    • 63

    Rain Showers Likely

    • 52
    • 63

    Rain Showers Likely

    • 51
    • 62

    Chance Rain Showers

    • 50
    • 62

    Slight Chance Rain Showers

Today 22 Sep Central Middlesex County

Mostly sunny. Highs in the upper 60s.

Tonight 22 Sep Central Middlesex County

Partly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tyngsboro Temperature Statistics

September Temperature

Nashua - Boire Field Airport (8.1 miles)

  • Lowest 15 September, 2026

    39.9 °F

  • Average September

    64 °F

  • Highest 10 September, 2026

    84.9 °F

Climate (2021–2026)

Nashua - Boire Field Airport (8.1 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    60.6 °F
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