Loudon Weather Forecast

    • 36
    • 52

    Becoming Sunny

    • 42
    • 66

    Chance Rain Showers

    • 41
    • 62

    Chance Rain Showers

    • 44
    • 69

    Slight Chance Rain Showers

    • 46
    • 70

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 56
    • 83

    Partly Sunny

Today 30 May Merrimack

Mostly cloudy. A chance of rain Showers Early, then a slight chance of rain Showers. Highs in the lower 50s. North Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

Tonight 30 May Merrimack

Partly cloudy this Evening, then clearing. Chance of frost in Sheltered Locations after midnight. Lows in the upper 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loudon Temperature Statistics

May Temperature

Concord Municipal Airport (5.6 miles)

  • Lowest 4 May, 2026

    30.7 °F

  • Average May

    57.3 °F

  • Highest 19 May, 2026

    96.7 °F

Climate (2021–Present)

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 °F
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