Bertha Brock Park Weather Forecast
- 55
- 85
Mostly Sunny
- 57
- 86
Increasing Clouds
- 53
- 78
Partly Sunny
- 56
- 79
Slight Chance Rain Showers
- 60
- 83
Chance Rain Showers
- 59
- 78
Chance Rain Showers
- 55
- 77
Chance Rain Showers
Today 17 Sep Ionia
Sunny. Highs in the mid 80s. Light Winds.
Tonight 17 Sep Ionia
Mostly clear. Lows in the mid 50s. Light Winds.
Bertha Brock Park Temperature Statistics
September Temperature
Ionia County Airport (3.7 miles)
Lowest 8 September, 2025
35.6 °FAverage September
60.6 °FHighest 14 September, 2025
82.4 °F
Climate (2020–Present)
Ionia County Airport (3.7 miles)
Average Low 2020–2025
40.9 °FAverage 2020–2025
50 °FAverage High 2020–2025
58.9 °F