Penacook Weather Forecast

    • 59
    • 84

    Mostly Sunny

    • 58
    • 83

    Partly Sunny

    • 56
    • 83

    Chance Rain Showers

    • 52
    • 80

    Mostly Sunny

    • 51
    • 80

    Mostly Sunny

    • 55
    • 82

    Chance Rain Showers

Today 11 Aug Merrimack

Mostly sunny. Highs in the lower 80s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 11 Aug Merrimack

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Northwest Winds around 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Penacook Temperature Statistics

August Temperature

Concord Municipal Airport (6.8 miles)

  • Lowest 5 August, 2026

    56.6 °F

  • Average August

    77.3 °F

  • Highest 6 August, 2026

    93.7 °F

Climate (2021–2026)

Concord Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    60.2 °F
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