Live Weather & Forecast

Weather in Union Grove

Wisconsin, United States · Real-time conditions & 3-day outlook

Flag of United States
Overcast
13°C
Feels like 11°C
55°F / Feels 52°F
Overcast
Union Grove, Wisconsin
🌙 Nighttime
Updated: 2026-04-16 02:15
💧
Humidity
96%
💨
Wind
16.2 km/h SW
🌬️
Wind Gust
32.4 km/h
🌡️
Pressure
1007 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
13.5°C
🌐
Wind Degree
230°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
152.9 μg/m³
NO₂
7.5 μg/m³
O₃
47 μg/m³
SO₂
1.5 μg/m³
PM 2.5
4 μg/m³
PM 10
4.1 μg/m³

Weather Alerts 5

Met · Severe · Future
Flood Watch issued April 15 at 1:52PM CDT until April 16 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

* WHAT...Areal flooding and flash flooding caused by excessive rainfall from thunderstorms is possible. * WHERE...Portions of east central, south central, and southeast Wisconsin, including the following counties, in east central Wisconsin, Fond du Lac and Sheboygan. In south central Wisconsin, Columbia, Dane, Green, Green Lake, Iowa, Lafayette, Marquette, Rock and Sauk. In southeast Wisconsin, D...

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Met · Severe · Future
Flood Watch issued April 16 at 1:08AM CDT until April 16 at 1:00PM CDT by NWS Milwaukee/Sullivan WI

...FLOOD WATCH EXTENDED IN SOUTHEASTERN AREAS... Additional shower and storm development is forecast through the overnight hours, with activity gradually tapering after sunrise this morning. Expecting that additional rainfall totals will remain at or below a half inch in many locations, though localized additional rainfall totals between 1-2 inches are possible in locations impacted by the heavie...

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Met · Severe · Expected
Flood Warning issued April 15 at 10:46PM CDT until April 17 at 4:00PM CDT by NWS Milwaukee/Sullivan WI

...The National Weather Service in Milwaukee/Sullivan WI has issued a Flood Warning for the following rivers in Wisconsin...Illinois... Root River Canal At Raymond affecting Racine County. Turtle Creek Near Clinton affecting Rock and Winnebago Counties. * WHAT...Minor flooding is forecast. * WHERE...Root River Canal at Raymond. * WHEN...Until Friday afternoon. * IMPACTS...At 9.0 feet, Water...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov. The next statement will be issued Thursday morning at 11...

Met · Severe · Immediate
Flood Warning issued April 15 at 11:19AM CDT by NWS Milwaukee/Sullivan WI

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Fox River Lower Near New Munster affecting Kenosha and Lake Counties. * WHAT...Moderate flooding is forecast. * WHERE...Fox River Lower near New Munster. * WHEN...Until further notice. * IMPACTS...At 13.5 feet, Floodwaters are into the lower levels of some homes in the Town of Wheatland and Village of Salem Lak...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov. The next statement will be issued this evening at 1130 PM CDT.

Met · Severe · Immediate
Flood Warning issued April 15 at 5:51PM CDT by NWS Milwaukee/Sullivan WI

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Watertown affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Fox River Lower Near New Munster affecting Kenosha and Lake Counties. Milwaukee River Near Cedarburg affecting Ozaukee County. Wisconsin River At Portage affecting Columbia County. * WHAT...Min...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued Thursday morning...

Today's Hourly Forecast

24-hour breakdown for Union Grove, Wisconsin

12 AM
Patchy rain nearby
15°
Patchy rain nearby
💧 91% 💨 23.4 km/h 🌧️ 100%
1 AM
Patchy rain nearby
15°
Patchy rain nearby
💧 93% 💨 20.2 km/h 🌧️ 100%
2 AM
Overcast
13°
Overcast
💧 96% 💨 16.2 km/h
3 AM
Patchy rain nearby
14°
Patchy rain nearby
💧 96% 💨 11.2 km/h 🌧️ 100%
4 AM
Patchy rain nearby
14°
Patchy rain nearby
💧 96% 💨 13 km/h 🌧️ 100%
5 AM
Light drizzle
14°
Light drizzle
💧 97% 💨 18 km/h 🌧️ 100%
6 AM
Light drizzle
14°
Light drizzle
💧 95% 💨 20.5 km/h 🌧️ 100%
7 AM
Mist
14°
Mist
💧 96% 💨 19.8 km/h 🌧️ 78%
8 AM
Light rain
15°
Light rain
💧 98% 💨 17.3 km/h 🌧️ 100%
9 AM
Patchy light drizzle
16°
Patchy light drizzle
💧 97% 💨 18 km/h 🌧️ 100%
10 AM
Patchy rain nearby
16°
Patchy rain nearby
💧 91% 💨 9.4 km/h 🌧️ 80%
11 AM
Mist
14°
Mist
💧 95% 💨 9.7 km/h
12 PM
Overcast
14°
Overcast
💧 100% 💨 9.4 km/h
1 PM
Overcast
15°
Overcast
💧 88% 💨 10.1 km/h
2 PM
Partly Cloudy
17°
Partly Cloudy
💧 79% 💨 9.4 km/h
3 PM
Sunny
18°
Sunny
💧 73% 💨 8.3 km/h
4 PM
Sunny
19°
Sunny
💧 68% 💨 9 km/h
5 PM
Sunny
20°
Sunny
💧 66% 💨 8.6 km/h
6 PM
Sunny
19°
Sunny
💧 66% 💨 8.3 km/h
7 PM
Sunny
17°
Sunny
💧 75% 💨 5.8 km/h
8 PM
Clear
14°
Clear
💧 87% 💨 6.1 km/h
9 PM
Mist
12°
Mist
💧 94% 💨 7.2 km/h
10 PM
Fog
10°
Fog
💧 98% 💨 7.6 km/h
11 PM
Mist
10°
Mist
💧 97% 💨 8.6 km/h

3-Day Forecast

Daily overview for Union Grove, Wisconsin

Today
Moderate rain
Moderate rain
21° /
🌧️ 86% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 23.4 km/h
🌧️ Total precip: 5.65 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:09 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
Patchy rain nearby
24° /
🌧️ 79% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 32 km/h
🌧️ Total precip: 4.62 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:07 AM
🌇 Sunset: 07:37 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Heavy rain
Heavy rain
11° /
🌧️ 87% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 44.6 km/h
🌧️ Total precip: 94.15 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:06 AM
🌇 Sunset: 07:38 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit

Best Time to Visit Union Grove

Plan your trip to Union Grove, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Union Grove 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Union Grove?
Current conditions in Union Grove: Overcast, temperature 13°C, humidity 96%.
What is the best time to visit Union Grove?
The best time to visit Union Grove is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Union Grove?
Union Grove is located at approximately 42.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Union Grove?
The wettest period in Union Grove is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Union Grove?
For visits to Union Grove during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Union Grove in?
Union Grove is located in United States, in the state of Wisconsin.
What are the public holidays in Union Grove in 2026?
View the 2026 public holidays for Union Grove on our Holidays page.
What are the GPS coordinates used for the weather forecast in Union Grove?
The weather forecast for Union Grove uses coordinates 42.6877, -88.0518.