Oswego Weather Forecast
- 12
- 50
Rain Showers
- 21
- 26
Partly Sunny
- 17
- 42
Mostly Cloudy
- 21
- 31
Partly Sunny
- 33
- 39
Mostly Cloudy
- 28
- 46
Mostly Cloudy
Today 18 Dec Kendall
Rain Showers with patchy drizzle in the morning. A chance of rain Showers in the afternoon. A slight chance of freezing drizzle late. Ice accumulation around a trace. Windy with Highs in the upper 40s. Temperature falling into the mid 30s in the afternoon. South Winds 15 to 25 Mph, becoming west 15 to 20 Mph in the afternoon. Gusts up to 40 Mph. Chance of precipitation near 100 percent.
Tonight 18 Dec Kendall
Mostly cloudy. Scattered snow Showers in the Evening, then a chance of Flurries after midnight. Snow accumulation up to half an inch. Windy with Lows around 12. West Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of precipitation 40 percent.
Oswego Temperature Statistics
December Temperature
Aurora Municipal Airport (8.7 miles)
Lowest 14 December, 2025
-6 °FAverage December
18.9 °FHighest 10 December, 2025
39.9 °F
Climate (2020–Present)
Aurora Municipal Airport (8.7 miles)
Average Low 2020–2025
40.5 °FAverage 2020–2025
51 °FAverage High 2020–2025
61.3 °F