New Hampshire Motor Speedway Weather Forecast

    • 47
    • 69

    Increasing Clouds

    • 57
    • 78

    Partly Sunny

    • 59
    • 75

    Chance Rain Showers

    • 49
    • 74

    Partly Sunny

    • 51
    • 69

    Chance Rain Showers

    • 49
    • 67

    Chance Rain Showers

Today 15 Sep Merrimack

Patchy fog in the morning. Mostly sunny. Highs in the upper 60s. Light and variable Winds.

Tonight 15 Sep Merrimack

Partly cloudy. Lows in the upper 40s. Light and variable Winds.

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New Hampshire Motor Speedway Temperature Statistics

September Temperature

Concord Municipal Airport (10.6 miles)

  • Lowest 12 September, 2026

    42.1 °F

  • Average September

    66 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Concord Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    60.2 °F
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