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Union Grove, Wisconsin Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Union Grove weather forecast — hour by hour, 7-day outlook, NOAA radar

Union Grove, WI
Saturday, July 4 at 11:35 AM
80
°
Overcast
Feels like
88°
Humidity
76%
Wind
5 mph
Sunrise
12:19 AM
Sunset
3:33 PM
Union Grove, WI
Hour by hour · 24h
24-Hour ForecastUnion Grove, WI: 24-hour forecast. Temperatures range from 62 to 81 degrees Fahrenheit with a 24% chance of precipitation at 4 PM.
L 62°H 81°
Union Grove, WI
7-day forecast
  1. Today
    Jul 4
    Rain
    54%
    0.17″
    81°65°
  2. Sunday
    Jul 5
    Overcast
    12%
    79°62°-2°
  3. Monday
    Jul 6
    Overcast
    76°59°-3°
  4. Tuesday
    Jul 7
    Overcast
    80°58°+4°
  5. Wednesday
    Jul 8
    Overcast
    15%
    81°60°+1°
  6. Thursday
    Jul 9
    Drizzle
    49%
    0.02″
    76°63°-5°
  7. Friday
    Jul 10
    Overcast
    36%
    75°61°-1°
Union Grove, WI
Anemometer · 24h winds · from true
NESW
From · True
N
352° · veering 101°
Direction
N
352°
Sustained
5
mph
Gust
8
mph
Peak 24h
22
avg 7
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 · pk 22 @ 1:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 1810SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Union Grove, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.7
-0.4 mb in 3h · steady · 29.14 inHg
Now
986.7
mb
3h
-0.4
mb
12h
-0.8
mb
24h
-3.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986989
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW989.4986.2986.2
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Union Grove, WI
Air quality
37
AQI
Good
+1 in 6hPeak ~49 @ 11 PM

AQI 37 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.2 µg/m³ (AQI 53) with a 0.92 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
10.2μg/m³
PM 10Good
11μg/m³
NO₂Good
8μg/m³
OzoneModerate
84μg/m³
UV IndexHigh
5.7

What's driving it

Ozone × UV × Sky

Ozone at AQI 40. Overcast through the UV peak window (cloud cover ~83%) — afternoon ozone should stay flat.

Present
AQI 40
UV peak
6.6 at 1 PM
Sky at peak
overcast
Projected peak
AQI 18

PM × Wind × Precip

PM2.5 at 10.2 µg/m³ (AQI 53) with a 0.92 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.92
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Union Grove, WI
Sky cover · visibility · 24h
Cloud cover
86%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
39.5mi
UNLIMITED
49 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
16:35 UTC · Union Grove, WI · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
16:35 UTC · Union Grove, WI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Union Grove, WI
Satellite · infrared · animated
Union Grove, WI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Union Grove, WI
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:46 AM
Sunrise
12:19 AM
Daylight
15h 14m
Sunset
3:33 PM
Civil dusk
9:09 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Union Grove, WI
The moon
Waning Gibbous
80% illuminated
Moonrise
10:51 PM
Moonset
9:55 AM
In sign
♓︎ Pisces
Union Grove, WI
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Union Grove at a glance

  • Today vs. normal: 11°F above the seasonal normal for this latitude
  • Last frost: May 2 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 53182

16-Day Forecast — Union Grove

  1. Sat80°65°54%
  2. Sun79°62°12%
  3. Mon76°59°1%
  4. Tue80°58°1%
  5. Wed81°60°15%
  6. Thu76°63°49%
  7. Fri75°61°36%
  8. Sat82°59°8%
  9. Sun66°58°9%
  10. Mon74°55°10%
  11. Tue76°60°10%
  12. Wed80°63°26%
  13. Thu84°66°16%
  14. Fri84°67°16%
  15. Sat84°68°20%
  16. Sun86°67°29%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, 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 Grove

SPC includes Union Grove in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

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 Grove

  • 53182

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.