Harper Lake Weather Forecast
- 49
- 77
Decreasing Clouds
- 52
- 78
Partly Sunny
- 61
- 81
Mostly Cloudy
- 65
- 84
Rain Showers Likely
- 65
- 85
Chance Rain Showers
- 61
- 86
Slight Chance Rain Showers
Today 27 Aug Lake
Partly sunny in the morning then becoming mostly sunny. Widespread dense fog in the morning. Highs in the upper 70s. Northwest Winds around 10 Mph with Gusts to around 20 Mph.
Tonight 27 Aug Lake
Mostly clear. Lows in the upper 40s. Light Winds.
Harper Lake Temperature Statistics
August Temperature
Manistee County - Blacker Airport (16.2 miles)
Lowest 20 August, 2026
48 °FAverage August
68.3 °FHighest 14 August, 2026
84 °F
Climate (2021–2026)
Manistee County - Blacker Airport (16.2 miles)
Average Low 2021–2026
38.3 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
56.1 °F