Nashua Weather Forecast

    • 51
    • 78

    Patchy Fog

    • 50
    • 77

    Partly Sunny

    • 55
    • 75

    Mostly Cloudy

    • 58
    • 80

    Mostly Sunny

    • 46
    • 79

    Mostly Sunny

    • 43
    • 69

    Mostly Sunny

Today 15 Sep Eastern Hillsborough

Mostly sunny. Patchy fog. Highs in the upper 70s. Light and variable Winds.

Tonight 15 Sep Eastern Hillsborough

Mostly clear this Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Light and variable Winds.

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Nashua Temperature Statistics

September Temperature

Nashua - Boire Field Airport (2.5 miles)

  • Lowest 9 September, 2025

    45 °F

  • Average September

    63.9 °F

  • Highest 6 September, 2025

    84 °F

Climate (2020–Present)

Nashua - Boire Field Airport (2.5 miles)

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  • Average Low 2020–2025

    41.1 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    60.8 °F
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