Clear Lake Weather Forecast
- 62
- 82
Increasing Clouds
- 59
- 80
Chance Rain Showers
- 55
- 73
Chance Rain Showers
- 49
- 68
Slight Chance Rain Showers
- 48
- 70
Mostly Sunny
- 52
- 74
Mostly Sunny
Today 22 Aug Allegan
Sunny. Highs in the lower 80s. Light Winds becoming west 5 to 10 Mph in the afternoon.
Tonight 22 Aug Allegan
Mostly clear. Areas of fog overnight. Lows in the upper 50s. Light Winds.
Clear Lake Temperature Statistics
August Temperature
South Haven, South Haven Area Regional Airport (13 miles)
Lowest 2 August, 2025
53.6 °FAverage August
74.2 °FHighest 9 August, 2025
93.2 °F
Climate (2020–Present)
South Haven, South Haven Area Regional Airport (13 miles)
Average Low 2020–2025
42.6 °FAverage 2020–2025
51.1 °FAverage High 2020–2025
59.2 °F