Bear Brook State Park Weather Forecast

    • 42
    • 55

    Slight Chance Rain Showers

    • 36
    • 57

    Partly Sunny

    • 34
    • 52

    Mostly Sunny

    • 35
    • 57

    Mostly Sunny

    • 42
    • 61

    Partly Sunny

    • 50
    • 69

    Rain Showers Likely

Today 14 Oct Merrimack

Mostly cloudy. A chance of rain in the morning. Highs in the mid 50s. North Winds around 10 Mph with Gusts up to 20 Mph in the Morning, becoming light and variable. Chance of rain 40 percent.

Tonight 14 Oct Merrimack

Partly cloudy. A slight chance of Showers in the evening. Lows in the lower 40s. Light and variable Winds, becoming northwest around 10 Mph after midnight. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bear Brook State Park Temperature Statistics

October Temperature

Concord Municipal Airport (8.7 miles)

  • Lowest 10 October, 2025

    26.1 °F

  • Average October

    55.4 °F

  • Highest 6 October, 2025

    86 °F

Climate (2020–Present)

Concord Municipal Airport (8.7 miles)

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

  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    60.2 °F
Get WillyWeather+ to remove ads