Demster Weather Forecast

    • 12
    • 27

    Snow Showers Likely

    • 11
    • 17

    Snow Showers Likely

    • 23
    • 30

    Snow Showers Likely

    • 14
    • 29

    Snow Showers Likely

    • 7
    • 21

    Chance Snow Showers

    • -1
    • 18

    Chance Snow Showers

Today 19 Jan Oswego

Snow Showers likely. Accumulation Ranging from 1 to 2 Inches across the lower Elevations to 2 to 3 Inches on the tug hill. Windy with Highs Ranging from around 20 on the tug hill to the upper 20s across the lower Elevations. South Winds 5 to 10 Mph, becoming southwest and increasing to 20 to 30 Mph with Gusts up to 40 Mph. Chance of snow 70 percent.

Tonight 19 Jan Oswego

Mostly cloudy. A chance of snow Showers late. Lows Ranging from 5 to 10 above across the tug hill to 15 to 20 along the lake Ontario shore. Light Winds, becoming south 5 to 10 Mph. Chance of snow 40 percent.

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Demster Temperature Statistics

January Temperature

Fulton, Oswego County Airport (10.6 miles)

  • Lowest 1 January, 2026

    10 °F

  • Average January

    28.1 °F

  • Highest 9 January, 2026

    48 °F

Climate (2021–Present)

Fulton, Oswego County Airport (10.6 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    49.5 °F

  • Average High 2021–2026

    58.2 °F
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