Demster Weather Forecast

    • 42
    • 62

    Mostly Sunny

    • 37
    • 60

    Becoming Sunny

    • 39
    • 57

    Mostly Sunny

    • 38
    • 58

    Mostly Sunny

    • 35
    • 53

    Partly Sunny

    • 37
    • 56

    Mostly Sunny

    • 44
    • 60

    Partly Sunny

Today 19 Oct Oswego

Mostly sunny. Highs in the lower 60s.

Tonight 19 Oct Oswego

Mainly clear through the early Overnight, then becoming partly cloudy. Lows Ranging from the upper 30s across the tug hill to the mid 40s along the lake Ontario shore. Light Winds.

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  • Temperature Real-Time

Demster Temperature Statistics

October Temperature

Fulton, Oswego County Airport (10.6 miles)

  • Lowest 17 October, 2026

    30.9 °F

  • Average October

    54.6 °F

  • Highest 13 October, 2026

    73 °F

Climate (2021–2026)

Fulton, Oswego County Airport (10.6 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    49.3 °F

  • Average High 2021–2026

    57.9 °F
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