Demster Weather Forecast

    • 31
    • 61

    Decreasing Clouds

    • 29
    • 48

    Mostly Sunny

    • 46
    • 60

    Mostly Cloudy

    • 52
    • 68

    Chance Rain Showers

    • 40
    • 60

    Partly Sunny

    • 41
    • 59

    Mostly Cloudy

    • 48
    • 63

    Chance Rain Showers

Today 26 Oct Oswego

Mostly cloudy with a 40 percent chance of Showers. Highs in the lower 60s.

Tonight 26 Oct Oswego

Partly to mostly cloudy. Lows in the upper 20s. Light north Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Demster Temperature Statistics

October Temperature

Fulton, Oswego County Airport (10.6 miles)

  • Lowest 18 October, 2026

    28 °F

  • Average October

    51.8 °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

    49.2 °F

  • Average High 2021–2026

    57.9 °F
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