Contoocook Weather Forecast

    • 66
    • 86

    Slight Chance Thunderstorms

    • 61
    • 87

    Mostly Sunny

    • 64
    • 87

    Slight Chance Thunderstorms

    • 61
    • 85

    Slight Chance Thunderstorms

    • 59
    • 83

    Partly Sunny

    • 57
    • 82

    Slight Chance Thunderstorms

Today 8 Aug Merrimack

Mostly cloudy Early, then becoming partly sunny. Scattered Thunderstorms with isolated Showers this afternoon. Some Thunderstorms may produce heavy rainfall this afternoon. Humid with Highs in the mid 80s. Light and variable Winds. Chance of rain 40 percent.

Tonight 8 Aug Merrimack

Partly cloudy with scattered Thunderstorms with isolated Showers in the Evening, then mostly clear after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the mid 60s. Light and variable Winds. Chance of rain 40 percent.

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Contoocook Temperature Statistics

August Temperature

Concord Municipal Airport (10.6 miles)

  • Lowest 5 August, 2026

    56.6 °F

  • Average August

    75.6 °F

  • Highest 6 August, 2026

    91.9 °F

Climate (2021–2026)

Concord Municipal Airport (10.6 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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