Ionia County, MI Weather Forecast
County weather hub
Mostly Clear
Compare major city weather across Ionia County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly clear. Low around 50, with temperatures rising to around 54 overnight. East northeast wind around 14 mph, with gusts as high as 24 mph.
County Weather Overview
This county weather page brings together forecast coverage for Ionia County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 5 of 5 mapped cities in Ionia County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 6:23 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Ionia County
Friday looks like the warmest upcoming period in Ionia County at 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Saturday at about 15 mph ENE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 30, 2026 6:23 AM EDT
- Coverage
- 7 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
Sunny, with a high near 72. East northeast wind around 15 mph, with gusts as high as 25 mph.
Mostly clear, with a low around 46. East wind 3 to 14 mph, with gusts as high as 24 mph.
Sunny, with a high near 77. Southeast wind around 6 mph.
Mostly clear, with a low around 50. North northwest wind around 3 mph.
Sunny, with a high near 80.
Mostly clear, with a low around 50.
Sunny, with a high near 78.
Clear, with a low around 51.
Sunny, with a high near 81.
Mostly clear, with a low around 55.
Sunny, with a high near 85.
Partly cloudy, with a low around 62.
A chance of rain showers after 8am. Partly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 30
|
Mostly Clear
|
50°F |
14 mph
ENE
|
|
Saturday
May 30
|
Sunny
|
72°F |
15 mph
ENE
|
|
Saturday Night
May 30
|
Mostly Clear
|
46°F |
3 to 14 mph
E
|
|
Sunday
May 31
|
Sunny
|
77°F |
6 mph
SE
|
|
Sunday Night
May 31
|
Mostly Clear
|
50°F |
3 mph
NNW
|
|
Monday
Jun 1
|
Sunny
|
80°F |
3 to 9 mph
NNE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
50°F |
6 to 12 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
78°F |
6 to 12 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
51°F |
2 to 8 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
2 to 7 mph
SE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
55°F |
3 to 7 mph
SSW
|
|
Thursday
Jun 4
|
Sunny
|
85°F |
6 to 12 mph
SW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
62°F |
10 mph
SW
|
|
Friday
Jun 5
|
Chance Rain Showers
|
86°F |
9 to 15 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Ionia County.
Coverage
Forecast coverage currently spans 5 of 5 mapped cities in Ionia County.
Largest mapped city population in this region: 5,738.
