New Hampshire Motor Speedway Weather Forecast

    • 14
    • 37

    Rain

    • 10
    • 19

    Mostly Cloudy

    • 9
    • 28

    Chance Snow

    • 2
    • 18

    Mostly Sunny

    • 5
    • 21

    Partly Sunny

    • 6
    • 24

    Mostly Cloudy

Today 29 Dec Merrimack

Freezing rain and rain this Morning, then rain with a slight chance of snow this afternoon. Areas of fog. Ice accumulation of a tenth to three Tenths of an inch. Highs in the upper 30s. Light and variable Winds, becoming south around 10 Mph with Gusts up to 25 Mph this afternoon. Chance of precipitation near 100 percent.

Tonight 29 Dec Merrimack

Partly cloudy. A slight chance of snow in the evening. Lows around 13. West Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of snow 20 percent. Wind chill Values as low as 1 below after midnight.

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New Hampshire Motor Speedway Temperature Statistics

December Temperature

Concord Municipal Airport (10.6 miles)

  • Lowest 9 December, 2025

    -8 °F

  • Average December

    24.1 °F

  • Highest 19 December, 2025

    55.9 °F

Climate (2020–Present)

Concord Municipal Airport (10.6 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    60 °F
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