Penacook Weather Forecast

    • 43
    • 64

    Mostly Cloudy

    • 38
    • 64

    Mostly Sunny

    • 32
    • 57

    Sunny

    • 45
    • 65

    Mostly Sunny

    • 43
    • 69

    Mostly Sunny

    • 42
    • 65

    Mostly Sunny

    • 37
    • 61

    Mostly Sunny

Today 4 Oct Merrimack

Mostly cloudy. Highs in the lower 60s. Southeast Winds around 10 Mph.

Tonight 4 Oct Merrimack

Partly cloudy. Patchy fog after midnight. Lows in the lower 40s. Light and variable Winds.

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Penacook Temperature Statistics

October Temperature

Concord Municipal Airport (6.8 miles)

  • Lowest 1 October, 2026

    55 °F

  • Average October

    66.3 °F

  • Highest 2 October, 2026

    82 °F

Climate (2021–2026)

Concord Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    60.2 °F
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