Thorn Lake Weather Forecast
- 68
- 89
Chance Thunderstorms
- 64
- 84
Rain Showers Likely
- 54
- 80
Partly Sunny
- 55
- 79
Mostly Sunny
- 57
- 80
Partly Sunny
- 64
- 81
Chance Rain Showers
- 65
- 86
Chance Rain Showers
Today 3 Sep Washtenaw
Numerous Showers and scattered Thunderstorms Early, then scattered Showers and Thunderstorms in the late afternoon. Some Thunderstorms may be severe with damaging Winds and large hail. Heat index Readings in the mid 90s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest in the late afternoon. Chance of rain 70 percent.
Tonight 3 Sep Washtenaw
Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Showers and Thunderstorms until early Morning, then Showers likely and a chance of Thunderstorms early in the morning. Patchy fog. Lows in the upper 60s. Southeast Winds up to 5 Mph, becoming southwest. Chance of rain 70 percent.
Thorn Lake Temperature Statistics
September Temperature
Adrian, Lenawee County Airport (18.6 miles)
Lowest 1 September, 2026
71.1 °FAverage September
76 °FHighest 1 September, 2026
84 °F
Climate (2021–2026)
Adrian, Lenawee County Airport (18.6 miles)
Average Low 2021–2026
42.6 °FAverage 2021–2026
51.8 °FAverage High 2021–2026
61 °F