Concord Weather Forecast

    • 45
    • 68

    Mostly Cloudy

    • 43
    • 64

    Mostly Cloudy

    • 42
    • 63

    Partly Sunny

    • 44
    • 65

    Mostly Cloudy

    • 46
    • 66

    Chance Rain Showers

    • 48
    • 66

    Chance Rain Showers

Today 21 Sep Merrimack

Patchy fog in the morning. Partly sunny. Highs in the mid 60s. Light and variable Winds.

Tonight 21 Sep Merrimack

Cloudy. Lows in the lower 40s. Light and variable Winds.

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Concord Temperature Statistics

September Temperature

Concord Municipal Airport (1.2 miles)

  • Lowest 15 September, 2026

    39.7 °F

  • Average September

    65.1 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Concord Municipal Airport (1.2 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    60.2 °F
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