Concord Municipal Airport Weather Forecast

    • 30
    • 43

    Rain

    • 21
    • 55

    Rain

    • 24
    • 35

    Mostly Cloudy

    • 15
    • 42

    Partly Sunny

    • 11
    • 26

    Partly Sunny

    • 21
    • 31

    Chance Snow

    • 14
    • 34

    Partly Sunny

Today 18 Dec Merrimack

Partly sunny. Highs in the lower 40s. Light and variable Winds.

Tonight 18 Dec Merrimack

Cloudy. Areas of fog. Rain after midnight. Lows around 30. Temperatures rising into the lower 40s after midnight. Southeast Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

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Concord Municipal Airport Temperature Statistics

December Temperature

Concord Municipal Airport (0 miles)

  • Lowest 9 December, 2025

    -8 °F

  • Average December

    22.1 °F

  • Highest 1 December, 2025

    37 °F

Climate (2020–Present)

Concord Municipal Airport (0 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.1 °F
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