Ionia Weather Forecast
- 56
- 80
Mostly Sunny
- 61
- 82
Rain Showers
- 52
- 79
Partly Sunny
- 54
- 80
Mostly Sunny
- 59
- 81
Chance Rain Showers
- 55
- 77
Chance Rain Showers
- 53
- 75
Partly Sunny
Today 17 Aug Ionia
Sunny. Highs around 80. Northwest Winds 5 to 10 Mph.
Tonight 17 Aug Ionia
Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph with Gusts to around 20 Mph in the evening becoming light.
Ionia Temperature Statistics
August Temperature
Ionia County Airport (3.1 miles)
Lowest 9 August, 2026
55.4 °FAverage August
71.9 °FHighest 4 August, 2026
86 °F
Climate (2021–2026)
Ionia County Airport (3.1 miles)
Average Low 2021–2026
40.9 °FAverage 2021–2026
50 °FAverage High 2021–2026
59 °F