Demster Weather Forecast
- 30
- 35
Snow Showers Likely
- 35
- 40
Rain Showers Likely
- 18
- 40
Rain Showers
- 13
- 22
Chance Snow Showers
- 14
- 23
Chance Snow Showers
- 19
- 28
Chance Snow Showers
Today 12 Jan Oswego
Lake effect snow Showers likely in the Morning, then lake effect snow Showers in the afternoon. Snow may be heavy at Times in the afternoon. Additional accumulation in the most persistent Snows Ranging from 1 to 3 Inches across the lower Elevations to 3 to 5 Inches on the tug hill. Highs Ranging from the upper 20s on the tug hill to the mid 30s across the lower Elevations. West Winds 10 to 15 Mph, becoming southwest with Gusts up to 30 Mph. Chance of snow near 100 percent.
Tonight 12 Jan Oswego
Mostly cloudy with scattered snow Showers. Windy. Near steady Temperatures Ranging from between 15 and 20 on the tug hill to the mid 20s across the lower Elevations. West Winds 20 to 30 Mph, Diminishing to 10 to 15 Mph. Chance of snow 50 percent.
Demster Temperature Statistics
January Temperature
Fulton, Oswego County Airport (10.6 miles)
Lowest 1 January, 2026
10 °FAverage January
26.1 °FHighest 9 January, 2026
48 °F
Climate (2021–Present)
Fulton, Oswego County Airport (10.6 miles)
Average Low 2021–2026
40.9 °FAverage 2021–2026
49.6 °FAverage High 2021–2026
58.2 °F