Union, MI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Union, MI in one place.
Mostly sunny, with a high near 78.
Local Weather Overview
This forecast page for Union, 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: Apr 20, 2026 2:05 PM EDT.
The active forecast window currently covers Apr 23 to Apr 26, 2026 for Union, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 2:05 PM EDT
- Forecast office
- IWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Thursday looks like the warmest upcoming period in Union at 78 degrees F.
Saturday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 5 to 15 mph S.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 2:05 PM EDT
- Coverage
- 4 days
- Time zone
- America/Detroit
- Forecast office
- IWX
- Radar station
- KIWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers after 2am. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Rain showers likely before 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 80%.
A chance of showers and thunderstorms. Partly sunny, with a high near 65. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly cloudy, with a low around 46.
A slight chance of rain showers. Partly sunny, with a high near 66.
A chance of rain showers. Partly cloudy, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Mostly Sunny
|
78°F |
5 to 15 mph
S
|
|
Thursday Night
Apr 23
|
Partly Cloudy then Chance Rain Showers
|
61°F |
10 to 15 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms
|
75°F |
10 to 15 mph
S
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms
|
49°F |
5 to 15 mph
W
|
|
Saturday
Apr 25
|
Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
NW
|
|
Saturday Night
Apr 25
|
Slight Chance Rain Showers
|
46°F |
5 to 10 mph
N
|
|
Sunday
Apr 26
|
Slight Chance Rain Showers
|
66°F |
5 to 10 mph
N
|
|
Sunday Night
Apr 26
|
Chance Rain Showers
|
47°F |
5 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.