Lake Massasecum Weather Forecast

    • 30
    • 56

    Sunny

    • 36
    • 61

    Increasing Clouds

    • 33
    • 61

    Partly Sunny

    • 31
    • 58

    Mostly Sunny

    • 35
    • 61

    Mostly Sunny

    • 30
    • 53

    Mostly Sunny

    • 31
    • 54

    Mostly Sunny

Today 18 Oct Merrimack

Mostly sunny. Highs in the upper 50s.

Tonight 18 Oct Merrimack

Clear. Lows around 30. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Massasecum Temperature Statistics

October Temperature

Concord Municipal Airport (20.5 miles)

  • Lowest 7 October, 2026

    29.6 °F

  • Average October

    55.2 °F

  • Highest 2 October, 2026

    84.7 °F

Climate (2021–2026)

Concord Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    60.2 °F
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