Clear Lake Weather Forecast
- 17
- 42
Mostly Cloudy
- 22
- 34
Chance Snow
- 29
- 50
Partly Sunny
- 24
- 59
Breezy
- 22
- 42
Chance Rain/Snow
- 9
- 34
Slight Chance Snow
- 7
- 24
Mostly Cloudy
Today 6 Dec Brown
Mostly cloudy with a slight chance of rain. A chance of snow and a slight chance of freezing rain late in the Morning, then a slight chance of snow in the afternoon. Little or no snow accumulation. Highs in the lower 40s. Southwest Winds 10 to 15 Mph, becoming northwest in the afternoon. Chance of precipitation 50 percent.
Tonight 6 Dec Brown
Mostly cloudy. Lows around 15. North Winds 10 to 15 Mph, Diminishing to up to 10 Mph after midnight.
Clear Lake Temperature Statistics
December Temperature
Ainsworth Regional Airport (21.7 miles)
Lowest 1 December, 2025
11.3 °FAverage December
26.7 °FHighest 4 December, 2025
43.9 °F
Climate (2020–Present)
Ainsworth Regional Airport (21.7 miles)
Average Low 2020–2025
37.8 °FAverage 2020–2025
49.4 °FAverage High 2020–2025
61.8 °F