Contoocook Weather Forecast

    • 43
    • 73

    Sunny

    • 59
    • 77

    Chance Rain Showers

    • 57
    • 77

    Chance Rain Showers

    • 46
    • 70

    Mostly Sunny

    • 55
    • 72

    Partly Sunny

    • 57
    • 79

    Slight Chance Rain Showers

Today 11 Sep Merrimack

Sunny. Highs in the lower 70s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 11 Sep Merrimack

Clear. Lows in the mid 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Contoocook Temperature Statistics

September Temperature

Concord Municipal Airport (10.6 miles)

  • Lowest 7 September, 2026

    44.7 °F

  • Average September

    66.6 °F

  • Highest 4 September, 2026

    84.7 °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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