Concord Weather Forecast

    • 69
    • 90

    Slight Chance Rain Showers

    • 69
    • 91

    Slight Chance Rain Showers

    • 67
    • 88

    Rain Showers Likely

    • 61
    • 88

    Mostly Sunny

    • 64
    • 88

    Chance Rain Showers

    • 62
    • 85

    Chance Thunderstorms

Today 6 Aug Merrimack

Partly sunny with a slight chance of Showers with isolated Thunderstorms. Warm with Highs in the upper 80s. Light and variable Winds. Chance of rain 20 percent. Heat index Values in the mid 90s.

Tonight 6 Aug Merrimack

Partly cloudy. A slight chance of Showers with isolated Thunderstorms in the evening. Patchy fog. Humid with Lows in the upper 60s. Light and variable Winds. Chance of rain 20 percent. Heat index Values in the lower 90s early in the evening.

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Concord Temperature Statistics

August Temperature

Concord Municipal Airport (1.2 miles)

  • Lowest 4 August, 2026

    57 °F

  • Average August

    75.4 °F

  • Highest 1 August, 2026

    89.7 °F

Climate (2021–2026)

Concord Municipal Airport (1.2 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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