Union Center, Wisconsin Weather
Lesser ripening, greater heat. Day 89 of spring. Read this microseason across nine climate regions →
Union Center weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Light Rain48%0.09″67°56°—
- WednesdayJun 17Showers70%1.4″65°56°-2°
- ThursdayJun 18Light Drizzle61%0.02″69°54°+4°
- FridayJun 19Light Drizzle12%—66°45°-3°
- SaturdayJun 20Light Drizzle12%—71°52°+5°
- SundayJun 21Overcast38%—70°52°-1°
- MondayJun 22Overcast27%—69°49°-1°
AQI 29 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~93%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 34. Overcast through the UV peak window (cloud cover ~93%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 6:29 AM
- Moonset
- 10:06 PM
- In sign
- ♋︎ Cancer
Lesser ripening, greater heat
Union Center at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 8 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Union Center
- Tue67°56°48%
- Wed65°56°70%
- Thu69°54°61%
- Fri66°45°12%
- Sat71°52°12%
- Sun70°52°38%
- Mon69°49°27%
- Tue70°57°11%
- Wed77°57°19%
- Thu80°58°23%
- Fri85°65°24%
- Sat81°71°23%
- Sun88°72°55%
- Mon88°74°39%
- Tue87°72°45%
- Wed87°73°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Union Center
SPC has placed Union Center in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Union Center
- 53968
- 53962