Lock Island Park Weather Forecast

    • 40
    • 60

    Partly Sunny

    • 49
    • 70

    Chance Rain Showers

    • 47
    • 63

    Rain Showers

    • 53
    • 70

    Rain Showers Likely

    • 52
    • 74

    Slight Chance Rain Showers

    • 53
    • 77

    Partly Sunny

Today 21 May Onondaga

Partly sunny. Highs in the lower 60s. North Winds 5 to 10 Mph.

Tonight 21 May Onondaga

Mostly cloudy. Lows in the mid 40s. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

Lock Island Park Temperature Statistics

May Temperature

Fulton, Oswego County Airport (9.3 miles)

  • Lowest 12 May, 2026

    28.9 °F

  • Average May

    51.1 °F

  • Highest 18 May, 2026

    89.1 °F

Climate (2021–Present)

Fulton, Oswego County Airport (9.3 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    58.1 °F
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