Diamond Lake Weather Forecast
- 41
- 56
Rain Showers
- 39
- 51
Rain Showers
- 33
- 51
Rain Showers Likely
- 32
- 51
Partly Sunny
- 36
- 54
Partly Sunny
- 40
- 56
Slight Chance Rain Showers
Today 21 Oct Shiawassee
Partly cloudy in the Morning, then a chance of Showers and a slight chance of Thunderstorms early in the afternoon. Mostly cloudy with Showers likely and a slight chance of Thunderstorms in the late afternoon. Highs in the upper 50s. Southwest Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.
Tonight 21 Oct Shiawassee
Showers. Lows in the lower 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.
Diamond Lake Temperature Statistics
October Temperature
Owosso, Owosso Community Airport (13 miles)
Lowest 9 October, 2025
34.9 °FAverage October
58.7 °FHighest 4 October, 2025
89.1 °F
Climate (2020–Present)
Owosso, Owosso Community Airport (13 miles)
Average Low 2020–2025
41.5 °FAverage 2020–2025
50.6 °FAverage High 2020–2025
59.6 °F