Ionia, IA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Ionia, IA in one place.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 46. Northwest wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Ionia, IA 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: Apr 16, 2026 2:13 AM CDT.
The active forecast window currently covers Apr 18 to Apr 22, 2026 for Ionia, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 2:13 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Ionia
Tuesday looks like the warmest upcoming period in Ionia at 70 degrees F.
Saturday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Saturday at about 18 to 22 mph NW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 16, 2026 2:13 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 29. Northwest wind 9 to 20 mph, with gusts as high as 29 mph.
Sunny, with a high near 52. Northwest wind 9 to 16 mph.
Mostly clear, with a low around 32. East wind 7 to 12 mph.
Sunny, with a high near 64. South wind 8 to 17 mph.
Mostly clear, with a low around 48. South wind 13 to 16 mph.
Sunny, with a high near 70. West wind 12 to 16 mph.
Mostly clear, with a low around 46. South wind 10 to 14 mph.
Mostly sunny, with a high near 67. Southeast wind 10 to 15 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Slight Chance Rain Showers then Mostly Sunny
|
46°F |
18 to 22 mph
NW
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
29°F |
9 to 20 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
52°F |
9 to 16 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
32°F |
7 to 12 mph
E
|
|
Monday
Apr 20
|
Sunny
|
64°F |
8 to 17 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
48°F |
13 to 16 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
70°F |
12 to 16 mph
W
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
46°F |
10 to 14 mph
S
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
67°F |
10 to 15 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Ionia.