Demster Weather Forecast

    • 16
    • 45

    Snow Showers

    • 21
    • 26

    Snow Showers

    • 13
    • 28

    Snow Showers

    • 12
    • 21

    Chance Snow Showers

    • 16
    • 24

    Chance Snow Showers

    • 13
    • 29

    Chance Snow Showers

Today 29 Dec Oswego

Rain Showers in the Morning, then snow Showers with rain Showers likely in the afternoon. Patchy blowing snow in the afternoon. Snow accumulation an inch or less. Strong Winds. Late morning Highs Ranging from the lower 40s on the tug hill to the mid 40s across the lower Elevations, then Temperatures falling to the mid 20s on the tug hill and to the lower 30s across the lower Elevations. South Winds 20 to 30 Mph, becoming southwest and increasing to 35 to 50 Mph. Gusts up to 45 Mph, increasing to 55 Mph. Chance of precipitation near 100 percent.

Tonight 29 Dec Oswego

Lake effect snow Showers and blowing snow. Snow may be heavy at Times. Visibility one quarter mile or less at Times. Additional accumulation 3 to 5 Inches in the most persistent Snows. Strong Winds with Lows Ranging from 5 to 10 above on the tug hill to 10 to 15 across the lower Elevations. Southwest Winds 30 to 50 Mph, becoming west 35 to 50 Mph. Chance of snow near 100 percent.

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Demster Temperature Statistics

December Temperature

Fulton, Oswego County Airport (10.6 miles)

  • Lowest 4 December, 2025

    5 °F
  • Average December

    26.4 °F
  • Highest 19 December, 2025

    54 °F

Climate (2020–Present)

Fulton, Oswego County Airport (10.6 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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