Union Grove, WI Weather Forecast
Local 7-day forecast
Partly Sunny then Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Union Grove, WI in one place.
A chance of rain showers after 1pm. Partly sunny, with a high near 69. South wind 0 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Union Grove, 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: Oct 8, 2026 5:49 PM CDT.
The active forecast window currently covers Oct 9 to Oct 14, 2026 for Union Grove, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 9 to Oct 14, 2026
- Latest sync
- Oct 8, 2026 5:49 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Union Grove
Saturday looks like the warmest upcoming period in Union Grove at 80 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 8, 2026 5:49 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
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 before 7pm. Mostly clear, with a low around 57. South wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 80. South wind 10 to 15 mph, with gusts as high as 30 mph.
Mostly cloudy, with a low around 58. South wind 5 to 10 mph.
Mostly sunny, with a high near 72. Southeast wind around 5 mph.
Mostly clear, with a low around 55. South wind 0 to 5 mph.
Mostly sunny, with a high near 77.
A chance of rain showers after 7pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 67. Chance of precipitation is 20%.
Mostly cloudy, with a low around 48.
A chance of rain showers after 1pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 9
|
Partly Sunny then Chance Rain Showers
|
69°F |
0 to 10 mph
S
|
|
Friday Night
Oct 9
|
Slight Chance Rain Showers then Mostly Clear
|
57°F |
5 to 10 mph
S
|
|
Saturday
Oct 10
|
Sunny
|
80°F |
10 to 15 mph
S
|
|
Saturday Night
Oct 10
|
Mostly Cloudy
|
58°F |
5 to 10 mph
S
|
|
Sunday
Oct 11
|
Mostly Sunny
|
72°F |
5 mph
SE
|
|
Sunday Night
Oct 11
|
Mostly Clear
|
55°F |
0 to 5 mph
S
|
|
Columbus Day
Oct 12
|
Mostly Sunny
|
77°F |
5 to 10 mph
SW
|
|
Monday Night
Oct 12
|
Chance Rain Showers
|
57°F |
10 mph
W
|
|
Tuesday
Oct 13
|
Slight Chance Rain Showers then Mostly Sunny
|
67°F |
10 mph
N
|
|
Tuesday Night
Oct 13
|
Mostly Cloudy
|
48°F |
5 to 10 mph
N
|
|
Wednesday
Oct 14
|
Partly Sunny then Chance Rain Showers
|
64°F |
5 to 10 mph
E
|
|
Wednesday Night
Oct 14
|
Chance Rain Showers
|
52°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Union Grove.