Union, WI Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Union, WI in one place.
Partly cloudy. Low around 30, with temperatures rising to around 33 overnight. North northwest wind around 5 mph.
Local Weather Overview
This forecast page for Union, WI 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: Nov 6, 2026 3:09 AM CST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Union, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 3:09 AM CST
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Union
Monday looks like the warmest upcoming period in Union at 60 degrees F.
Friday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Saturday at about 0 to 10 mph SW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Nov 6, 2026 3:09 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MPX
- Radar station
- KARX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny. High near 46, with temperatures falling to around 43 in the afternoon. North northwest wind around 5 mph.
Partly cloudy. Low around 26, with temperatures rising to around 29 overnight. Northwest wind 0 to 5 mph.
Mostly sunny. High near 51, with temperatures falling to around 47 in the afternoon. Southwest wind 0 to 10 mph.
Partly cloudy, with a low around 36. West southwest wind around 5 mph.
Sunny. High near 54, with temperatures falling to around 50 in the afternoon. West northwest wind 5 to 10 mph.
Partly cloudy, with a low around 34. Southwest wind 0 to 5 mph.
Mostly sunny. High near 60, with temperatures falling to around 55 in the afternoon. Southwest wind 5 to 10 mph.
Mostly clear, with a low around 36. West wind around 5 mph.
Sunny, with a high near 54. West northwest wind around 5 mph.
Partly cloudy, with a low around 34. Northwest wind 0 to 5 mph.
Mostly sunny, with a high near 51. North northwest wind 0 to 5 mph.
A slight chance of rain after midnight. Mostly cloudy, with a low around 34. North wind 0 to 5 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 50. North wind 0 to 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Nov 6
|
Partly Cloudy
|
30°F |
5 mph
NNW
|
|
Friday
Nov 6
|
Mostly Sunny
|
46°F |
5 mph
NNW
|
|
Friday Night
Nov 6
|
Partly Cloudy
|
26°F |
0 to 5 mph
NW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
51°F |
0 to 10 mph
SW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
36°F |
5 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
54°F |
5 to 10 mph
WNW
|
|
Sunday Night
Nov 8
|
Partly Cloudy
|
34°F |
0 to 5 mph
SW
|
|
Monday
Nov 9
|
Mostly Sunny
|
60°F |
5 to 10 mph
SW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
36°F |
5 mph
W
|
|
Tuesday
Nov 10
|
Sunny
|
54°F |
5 mph
WNW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
34°F |
0 to 5 mph
NW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
51°F |
0 to 5 mph
NNW
|
|
Wednesday Night
Nov 11
|
Mostly Cloudy then Slight Chance Light Rain
|
34°F |
0 to 5 mph
N
|
|
Thursday
Nov 12
|
Mostly Sunny
|
50°F |
0 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union.