Southwest Oswego Weather Forecast

    • 18
    • 29

    Snow

    • 26
    • 31

    Chance Rain Showers

    • 27
    • 40

    Chance Rain Showers

    • 31
    • 45

    Rain/Snow

    • 18
    • 35

    Chance Snow Showers

    • 30
    • 37

    Chance Rain/Snow

Today 15 Dec Oswego

Lake effect snow. Snow may be heavy at Times. Additional accumulation 4 to 7 Inches in the most persistent Snows. Highs Ranging from the mid 20s inland to the upper 20s along the lake Ontario shore. Light Winds, becoming southwest 5 to 10 Mph. Chance of snow near 100 percent.

Tonight 15 Dec Oswego

Lake effect snow Showers likely. Accumulation an inch or less. Cold with near steady Temperatures Ranging from between zero and 5 above on the tug hill to between 10 and 15 across the lower Elevations. Northwest Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph. Chance of snow 70 percent.

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Southwest Oswego Temperature Statistics

December Temperature

Fulton, Oswego County Airport (9.9 miles)

  • Lowest 4 December, 2025

    5 °F

  • Average December

    24.1 °F

  • Highest 10 December, 2025

    36 °F

Climate (2020–Present)

Fulton, Oswego County Airport (9.9 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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