New Hampshire Motor Speedway Weather Forecast

    • 12
    • 31

    Chance Snow

    • 2
    • 20

    Mostly Sunny

    • 19
    • 26

    Slight Chance Snow

    • 24
    • 36

    Chance Rain/Snow

    • 18
    • 35

    Slight Chance Snow

    • 12
    • 31

    Slight Chance Snow

Today 7 Dec Merrimack

Partly sunny in the Morning, then mostly cloudy with a slight chance of snow Showers in the afternoon. Highs in the lower 30s. Light and variable Winds. Chance of snow 20 percent.

Tonight 7 Dec Merrimack

Mostly cloudy with a chance of snow in the Evening, then partly cloudy with a slight chance of snow after midnight. Lows around 11. Light and variable Winds, becoming west around 10 Mph with Gusts up to 25 Mph after midnight. Chance of snow 50 percent.

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New Hampshire Motor Speedway Temperature Statistics

December Temperature

Concord Municipal Airport (10.6 miles)

  • Lowest 4 December, 2025

    9 °F

  • Average December

    27.1 °F

  • Highest 1 December, 2025

    37 °F

Climate (2020–Present)

Concord Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.1 °F
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