Trimountain State Park Weather Forecast

    • 25
    • 37

    Becoming Sunny

    • 31
    • 42

    Partly Sunny

    • 34
    • 51

    Mostly Cloudy

    • 36
    • 51

    Chance Rain

    • 35
    • 52

    Chance Rain/Snow

    • 26
    • 49

    Mostly Sunny

Today 18 Mar Northern Middlesex

Mostly sunny. Highs in the upper 30s. Northwest Winds around 5 Mph.

Tonight 18 Mar Northern Middlesex

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 20s. South Winds around 5 Mph.

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Trimountain State Park Temperature Statistics

March Temperature

Meriden, Meriden Markham Municipal Airport (6.2 miles)

  • Lowest 3 March, 2026

    12 °F

  • Average March

    39.2 °F

  • Highest 10 March, 2026

    75 °F

Climate (2021–Present)

Meriden, Meriden Markham Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    63 °F
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