Contoocook Weather Forecast

    • 52
    • 78

    Increasing Clouds

    • 65
    • 77

    Rain Showers Likely

    • 55
    • 81

    Chance Rain Showers

    • 48
    • 73

    Mostly Sunny

    • 53
    • 77

    Partly Sunny

    • 56
    • 78

    Partly Sunny

Today 8 Sep Merrimack

Partly sunny. Highs in the upper 70s. Light and variable Winds, becoming northwest around 10 Mph in the afternoon.

Tonight 8 Sep Merrimack

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 50s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Contoocook Temperature Statistics

September Temperature

Concord Municipal Airport (10.6 miles)

  • Lowest 5 September, 2026

    57.9 °F

  • Average September

    68.5 °F

  • Highest 4 September, 2026

    84.7 °F

Climate (2021–2026)

Concord Municipal Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    60.2 °F
Get WillyWeather+ to remove ads