Ionia, MI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Ionia, MI in one place.
Sunny, with a high near 78. West southwest wind 12 to 16 mph, with gusts as high as 29 mph. New rainfall amounts less than a tenth of an inch possible.
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: Oct 12, 2026 3:14 AM EDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Ionia, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 3:14 AM EDT
- Forecast office
- GRR
- Source
- NOAA / NWS
Daily Outlook
This Week in Ionia
Tuesday looks like the warmest upcoming period in Ionia at 78 degrees F.
Saturday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Friday at about 13 to 22 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 3:14 AM 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. Partly cloudy, with a low around 55. Northwest wind 2 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 8am. Partly sunny, with a high near 68.
Mostly cloudy, with a low around 45.
A chance of rain showers after 8am. Partly sunny, with a high near 64.
Rain showers likely. Mostly cloudy, with a low around 47.
A chance of rain showers. Mostly cloudy, with a high near 59.
A chance of rain showers before 8pm. Mostly cloudy, with a low around 34.
Mostly sunny, with a high near 51.
Mostly clear, with a low around 31.
Sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
78°F |
12 to 16 mph
WSW
|
|
Tuesday Night
Oct 13
|
Partly Cloudy then Slight Chance Rain Showers
|
55°F |
2 to 14 mph
NW
|
|
Wednesday
Oct 14
|
Slight Chance Rain Showers then Partly Sunny
|
68°F |
3 to 7 mph
N
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
45°F |
8 mph
NNE
|
|
Thursday
Oct 15
|
Chance Rain Showers
|
64°F |
7 to 10 mph
ENE
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
47°F |
6 to 10 mph
SSE
|
|
Friday
Oct 16
|
Chance Rain Showers
|
59°F |
13 to 22 mph
W
|
|
Friday Night
Oct 16
|
Chance Rain Showers then Mostly Cloudy
|
34°F |
14 to 22 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
51°F |
9 to 14 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
31°F |
3 to 12 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
57°F |
6 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ionia.
