Sleeping Giant State Park Weather Forecast

    • 61
    • 81

    Mostly Sunny

    • 68
    • 85

    Partly Sunny

    • 72
    • 90

    Mostly Sunny

    • 73
    • 95

    Slight Chance Thunderstorms

    • 68
    • 89

    Chance Rain Showers

    • 68
    • 84

    Chance Rain Showers

    • 68
    • 87

    Slight Chance Thunderstorms

Today 22 Jul Northern New Haven

Sunny. Highs around 80. Northeast Winds around 5 Mph, becoming northwest.

Tonight 22 Jul Northern New Haven

Mostly clear. Lows around 60. South Winds around 5 Mph, becoming west after midnight.

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Sleeping Giant State Park Temperature Statistics

July Temperature

Meriden, Meriden Markham Municipal Airport (5.6 miles)

  • Lowest 5 July, 2025

    56.6 °F

  • Average July

    78.2 °F

  • Highest 8 July, 2025

    94.6 °F

Climate (2020–Present)

Meriden, Meriden Markham Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    63 °F
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