William H Thomas State Forest Weather Forecast

    • 19
    • 32

    Partly Sunny

    • 27
    • 42

    Mostly Cloudy

    • 35
    • 50

    Rain Showers Likely

    • 33
    • 50

    Chance Rain

    • 26
    • 50

    Chance Rain/Snow

    • 19
    • 37

    Partly Sunny

    • 21
    • 41

    Mostly Cloudy

Today 18 Mar Merrimack

Partly sunny. Highs in the lower 30s. Light and variable Winds.

Tonight 18 Mar Merrimack

Partly cloudy. Lows around 20. Light and variable Winds.

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  • Temperature Real-Time

William H Thomas State Forest Temperature Statistics

March Temperature

Laconia, Laconia Municipal Airport (15.5 miles)

  • Lowest 2 March, 2026

    -0.9 °F

  • Average March

    33.7 °F

  • Highest 10 March, 2026

    71.1 °F

Climate (2021–Present)

Laconia, Laconia Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57.1 °F
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