Ionia, MI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Ionia, MI in one place.
Mostly sunny, with a high near 82. South southwest wind 5 to 12 mph, with gusts as high as 22 mph.
Local Weather Overview
This forecast page for Ionia, MI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 9:27 PM EDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Ionia, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 9:27 PM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Ionia
Tuesday looks like the warmest upcoming period in Ionia at 88 degrees F.
Saturday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Sunday at about 7 to 14 mph SSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 9:27 PM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- GRR
- Radar station
- KGRR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 64. Southwest wind 3 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 85.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
A chance of showers and thunderstorms before 2pm. Mostly cloudy, with a high near 87.
A slight chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 88.
A slight chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
A slight chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Sunny
|
82°F |
5 to 12 mph
SSW
|
|
Saturday Night
Aug 29
|
Mostly Cloudy then Slight Chance Rain Showers
|
64°F |
3 to 9 mph
SW
|
|
Sunday
Aug 30
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
85°F |
7 to 14 mph
SSW
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms
|
69°F |
8 to 13 mph
SSW
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms
|
87°F |
14 mph
SW
|
|
Monday Night
Aug 31
|
Slight Chance Showers And Thunderstorms
|
71°F |
8 to 13 mph
SW
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
88°F |
8 to 14 mph
WSW
|
|
Tuesday Night
Sep 1
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 to 13 mph
WSW
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
WSW
|
|
Wednesday Night
Sep 2
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
66°F |
3 to 8 mph
SW
|
|
Thursday
Sep 3
|
Slight Chance Showers And Thunderstorms
|
84°F |
5 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ionia.
