Loudon Weather Forecast

    • 61
    • 79

    Rain Showers

    • 55
    • 83

    Rain Showers Likely

    • 53
    • 78

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

    • 59
    • 85

    Partly Sunny

    • 61
    • 87

    Partly Sunny

Today 21 Jul Merrimack

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the upper 70s. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 21 Jul Merrimack

A chance of Thunderstorms. Showers, mainly in the evening. Some Thunderstorms may produce heavy rainfall. Lows in the lower 60s. South Winds around 10 Mph. Gusts up to 25 Mph in the evening. Chance of rain near 100 percent.

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Loudon Temperature Statistics

July Temperature

Concord Municipal Airport (5.6 miles)

  • Lowest 17 July, 2026

    52.6 °F

  • Average July

    74.4 °F

  • Highest 2 July, 2026

    97.6 °F

Climate (2021–2026)

Concord Municipal Airport (5.6 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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