Demster Weather Forecast

    • 38
    • 59

    Decreasing Clouds

    • 39
    • 54

    Mostly Sunny

    • 49
    • 66

    Chance Rain Showers

    • 45
    • 63

    Chance Rain Showers

    • 42
    • 59

    Chance Rain Showers

    • 42
    • 58

    Mostly Sunny

    • 47
    • 67

    Partly Sunny

Today 5 Oct Oswego

Mostly sunny and breezy. Highs Ranging from the lower 50s on the tug hill to the upper 50s across the lower Elevations. West Winds 15 to 20 Mph with Gusts up to 35 Mph, becoming northwest.

Tonight 5 Oct Oswego

Partly to mostly cloudy with patchy frost developing after midnight. Breezy with Lows Ranging from the mid 30s across the tug hill to around 40 along the lake Ontario shore. Northwest Winds 10 to 20 Mph with Gusts up to 35 Mph this Evening, Diminishing to 5 to 10 Mph.

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Demster Temperature Statistics

October Temperature

Fulton, Oswego County Airport (10.6 miles)

  • Lowest 3 October, 2026

    42.1 °F

  • Average October

    60.1 °F

  • Highest 1 October, 2026

    72 °F

Climate (2021–2026)

Fulton, Oswego County Airport (10.6 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    57.9 °F
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