Trimountain State Park Weather Forecast

    • 42
    • 56

    Decreasing Clouds

    • 44
    • 61

    Chance Rain Showers

    • 43
    • 58

    Chance Rain Showers

    • 39
    • 56

    Slight Chance Rain Showers

    • 51
    • 63

    Partly Sunny

    • 54
    • 70

    Slight Chance Rain Showers

    • 52
    • 66

    Rain Showers Likely

Today 30 Apr Northern Middlesex

Mostly cloudy. Near steady temperature in the lower 50s. Southwest Winds around 5 Mph.

Tonight 30 Apr Northern Middlesex

Partly cloudy with a chance of Showers this Evening, then mostly clear after midnight. Lows in the lower 40s. Northwest Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Trimountain State Park Temperature Statistics

April Temperature

Meriden, Meriden Markham Municipal Airport (6.2 miles)

  • Lowest 9 April, 2026

    26.1 °F

  • Average April

    51.6 °F

  • Highest 15 April, 2026

    84.9 °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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