Oswego Weather Forecast

    • 31
    • 37

    Snow Likely

    • 32
    • 41

    Rain/Snow

    • 25
    • 35

    Mostly Cloudy

    • 31
    • 40

    Rain Showers Likely

    • 26
    • 43

    Rain/Snow Likely

    • 26
    • 38

    Rain/Snow Likely

Today 22 Dec Oswego

Mostly cloudy. Highs Ranging from the lower 30s inland to the upper 30s along the lake Ontario shore. Southwest Winds around 10 Mph, becoming light.

Tonight 22 Dec Oswego

Cloudy. A chance of snow Showers in the Evening, then snow overnight. Accumulation an inch or less. Not as cold with Lows Ranging from the mid 20s on the tug hill to the upper 20s across the lower Elevations. Light southwest Winds. Chance of snow 80 percent.

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Oswego Temperature Statistics

December Temperature

Fulton, Oswego County Airport (9.3 miles)

  • Lowest 4 December, 2025

    5 °F

  • Average December

    26.1 °F

  • Highest 19 December, 2025

    54 °F

Climate (2020–Present)

Fulton, Oswego County Airport (9.3 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    58.2 °F
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