Nashua Weather Forecast

    • 53
    • 91

    Chance Rain Showers

    • 42
    • 68

    Partly Sunny

    • 47
    • 70

    Partly Sunny

    • 45
    • 64

    Chance Rain Showers

    • 45
    • 61

    Chance Rain Showers

    • 49
    • 68

    Slight Chance Rain Showers

Today 20 May Eastern Hillsborough

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the lower 90s. West Winds 15 to 20 Mph. Gusts up to 35 Mph this afternoon. Chance of rain 20 percent.

Tonight 20 May Eastern Hillsborough

Partly cloudy with a slight chance of Showers in the Evening, then mostly cloudy after midnight. Less humid with Lows in the lower 50s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Nashua Temperature Statistics

May Temperature

Nashua - Boire Field Airport (2.5 miles)

  • Lowest 9 May, 2026

    34 °F

  • Average May

    55.1 °F

  • Highest 17 May, 2026

    87.1 °F

Climate (2021–Present)

Nashua - Boire Field Airport (2.5 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    60.5 °F
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