New Hampshire Motor Speedway Weather Forecast

    • 59
    • 79

    Becoming Sunny

    • 56
    • 82

    Mostly Sunny

    • 61
    • 84

    Partly Sunny

    • 67
    • 87

    Chance Rain Showers

    • 65
    • 87

    Slight Chance Thunderstorms

    • 65
    • 85

    Slight Chance Thunderstorms

    • 65
    • 87

    Mostly Sunny

Today 3 Aug Merrimack

Showers with a chance of Thunderstorms. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 3 Aug Merrimack

Partly cloudy this Evening, then clearing. A slight chance of Showers and Thunderstorms this evening. Patchy fog after midnight. Lows in the upper 50s. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

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New Hampshire Motor Speedway Temperature Statistics

August Temperature

Concord Municipal Airport (10.6 miles)

  • Lowest 1 August, 2026

    62.1 °F

  • Average August

    75.9 °F

  • Highest 1 August, 2026

    88 °F

Climate (2021–2026)

Concord Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    60.1 °F
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