Cumberland Bay State Park Weather Forecast

    • 38
    • 60

    Becoming Sunny

    • 40
    • 66

    Mostly Sunny

    • 46
    • 68

    Mostly Cloudy

    • 48
    • 62

    Chance Rain Showers

    • 51
    • 69

    Chance Rain Showers

    • 52
    • 73

    Slight Chance Thunderstorms

Today 21 May Eastern Clinton

Mostly sunny. Highs in the upper 50s. North Winds around 10 Mph.

Tonight 21 May Eastern Clinton

Clear. Lows in the upper 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cumberland Bay State Park Temperature Statistics

May Temperature

Plattsburgh International Airport (5.6 miles)

  • Lowest 9 May, 2026

    30 °F

  • Average May

    52.5 °F

  • Highest 18 May, 2026

    84.9 °F

Climate (2021–Present)

Plattsburgh International Airport (5.6 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    55.8 °F
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