Trimountain State Park Weather Forecast

    • 56
    • 68

    Mostly Cloudy

    • 58
    • 70

    Mostly Cloudy

    • 62
    • 71

    Chance Rain Showers

    • 67
    • 81

    Chance Rain Showers

    • 66
    • 88

    Chance Thunderstorms

    • 61
    • 81

    Partly Sunny

    • 64
    • 81

    Partly Sunny

Today 15 Jun Northern Middlesex

Mostly cloudy late this Morning, then becoming partly sunny. Highs in the upper 60s. East Winds around 5 Mph.

Tonight 15 Jun Northern Middlesex

Mostly cloudy. Lows in the mid 50s. East Winds around 5 Mph.

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Trimountain State Park Temperature Statistics

June Temperature

Meriden, Meriden Markham Municipal Airport (6.2 miles)

  • Lowest 2 June, 2025

    45.6 °F

  • Average June

    68.1 °F

  • Highest 5 June, 2025

    89.7 °F

Climate (2020–Present)

Meriden, Meriden Markham Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    63 °F
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