Tyngsboro Weather Forecast

    • 71
    • 90

    Mostly Sunny

    • 70
    • 91

    Slight Chance Thunderstorms

    • 69
    • 88

    Rain Showers Likely

    • 64
    • 88

    Mostly Sunny

    • 66
    • 88

    Chance Rain Showers

    • 65
    • 86

    Chance Thunderstorms

    • 62
    • 84

    Slight Chance Thunderstorms

Today 6 Aug Central Middlesex County

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 100.

Tonight 6 Aug Central Middlesex County

Mostly clear. Lows in the lower 70s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tyngsboro Temperature Statistics

August Temperature

Nashua - Boire Field Airport (8.1 miles)

  • Lowest 4 August, 2026

    57 °F

  • Average August

    74.6 °F

  • Highest 1 August, 2026

    87.1 °F

Climate (2021–2026)

Nashua - Boire Field Airport (8.1 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    60.6 °F
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