Cedar Lake Weather Forecast
- 24
- 47
Decreasing Clouds
- 16
- 40
Partly Sunny
- 5
- 22
Chance Snow Showers
- 10
- 14
Snow Showers Likely
- 6
- 20
Partly Sunny
- 7
- 23
Mostly Sunny
Today 21 Jan Jackson
Mostly cloudy with a slight chance of freezing drizzle this Morning, then sunny this afternoon. Highs in the upper 40s. Southwest Winds 10 to 15 Mph.
Tonight 21 Jan Jackson
Mostly clear. Lows in the mid 20s. Southwest Winds around 5 Mph, becoming northwest after midnight.
Cedar Lake Temperature Statistics
January Temperature
Southern Illinois Airport (9.9 miles)
Lowest 19 January, 2026
9 °FAverage January
38.1 °FHighest 8 January, 2026
68 °F
Climate (2021–Present)
Southern Illinois Airport (9.9 miles)
Average Low 2021–2026
47.9 °FAverage 2021–2026
58.3 °FAverage High 2021–2026
68.9 °F