Ionia Weather Forecast
- 62
- 83
Thunderstorms Likely
- 55
- 80
Partly Sunny
- 56
- 80
Mostly Sunny
- 67
- 85
Slight Chance Thunderstorms
- 72
- 92
Chance Thunderstorms
- 67
- 90
Chance Rain Showers
Today 19 Jul Ionia
A chance of Showers and Thunderstorms through early Afternoon, then Showers and Thunderstorms likely. Highs in the lower 80s. Southwest Winds 10 to 15 Mph. Chance of rain 70 percent.
Tonight 19 Jul Ionia
Partly cloudy. A 40 percent chance of Showers and Thunderstorms in the evening. Lows in the lower 60s. Northwest Winds 5 to 10 Mph becoming north overnight.
Ionia Temperature Statistics
July Temperature
Ionia County Airport (3.1 miles)
Lowest 15 July, 2025
55.4 °FAverage July
74.1 °FHighest 5 July, 2025
91.4 °F
Climate (2020–Present)
Ionia County Airport (3.1 miles)
Average Low 2020–2025
41 °FAverage 2020–2025
50 °FAverage High 2020–2025
58.9 °F