Demster Weather Forecast
- 23
- 30
Snow
- 22
- 38
Rain/Snow
- 18
- 29
Snow Showers Likely
- 20
- 30
Snow Showers Likely
- 16
- 28
Snow Showers Likely
- 10
- 25
Chance Snow Showers
Today 9 Dec Oswego
Partly sunny in the Morning, then mostly cloudy with snow Showers likely in the afternoon. Snow may be heavy at Times in the afternoon. Additional accumulation Ranging from an inch or less across the lower Elevations to 1 to 2 Inches on the tug hill. Highs Ranging from the lower 20s on the tug hill to the upper 20s across the lower Elevations. Southeast Winds 5 to 10 Mph, becoming south 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 70 percent.
Tonight 9 Dec Oswego
Snow Showers likely in the Evening, then snow overnight. Snow may be heavy at Times in the evening. Additional accumulation Ranging from an inch or less across the lower Elevations to around 2 Inches on the tug hill. Not as cold. Early evening Lows 15 to 20, then Temperatures rising to the mid 20s on the tug hill and to the upper 20s across the lower Elevations. South Winds 10 to 15 Mph with Gusts up to 30 Mph in the evening. Chance of snow 90 percent.
Demster Temperature Statistics
December Temperature
Fulton, Oswego County Airport (10.6 miles)
Lowest 4 December, 2025
5 °FAverage December
24 °FHighest 1 December, 2025
35.1 °F
Climate (2020–Present)
Fulton, Oswego County Airport (10.6 miles)
Average Low 2020–2025
41 °FAverage 2020–2025
49.6 °FAverage High 2020–2025
58.3 °F