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Elm Grove, Wisconsin Weather

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

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

Elm Grove, WI
Saturday, July 4 at 6:55 AM
71
°
Clear
Feels like
75°
Humidity
89%
Wind
5 mph
Sunrise
12:18 AM
Sunset
3:34 PM
Elm Grove, WI
Hour by hour · 24h
24-Hour ForecastElm Grove, WI: 24-hour forecast. Temperatures range from 62 to 81 degrees Fahrenheit.
L 62°H 81°
Elm Grove, WI
7-day forecast
  1. Today
    Jul 4
    Overcast
    37%
    —
    81°66°—
  2. Sunday
    Jul 5
    Overcast
    10%
    —
    79°62°-2°
  3. Monday
    Jul 6
    Overcast
    —
    —
    78°62°-1°
  4. Tuesday
    Jul 7
    Overcast
    —
    —
    82°59°+4°
  5. Wednesday
    Jul 8
    Light Drizzle
    28%
    —
    82°62°0°
  6. Thursday
    Jul 9
    Light Showers
    34%
    0.01″
    70°64°-12°
  7. Friday
    Jul 10
    Mostly Clear
    22%
    —
    78°62°+8°
Elm Grove, WI
Next 24 hours · Mild now
58°72°86°6a12p6p12anow 69°high 81°low 62°PRECIP %
Elm Grove, WI
Anemometer · 24h winds · from true
NESW
From · True
WSW
252° · backing 18°
Direction
WSW
252°
Sustained
5
mph
Gust
14
mph
Peak 24h
16
avg 6
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 6 · pk 16 @ 12:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 146SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 18° from the wsw.
Elm Grove, WI
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
985.8
+0.2 mb in 3h · steady · 29.11 inHg
Now
985.8
mb
3h
+0.2
mb
12h
0.0
mb
24h
-1.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985–989
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW988.5984.9985.6
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Elm Grove, WI
Air quality
39
AQI
Good
→-3 in 6h

AQI 39 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 5.0 µg/m³ (AQI 28) with a 0.93 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
5.0μg/m³
PM 10Good
5μg/m³
NO₂Good
7μg/m³
OzoneGood
54μg/m³
UV IndexLow
0.1

What's driving it

PM × Wind × Precip

PM2.5 at 5.0 µg/m³ (AQI 28) with a 0.93 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.93
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke

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).

7-DAY AQI TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³350
Elm Grove, WI
Sky cover · visibility · 24h
Cloud cover
8%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
28.7mi
UNLIMITED
56 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
11:55 UTC · Elm 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
11:55 UTC · Elm Grove, WI · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Elm Grove, WI
Satellite · infrared · animated
Elm Grove, WI
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Elm 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
4:44 AM
Sunrise
12:18 AM
Daylight
15h 16m
Sunset
3:34 PM
Civil dusk
9:11 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Elm Grove, WI
The moon
Waning Gibbous
82% illuminated
Moonrise
10:51 PM
Moonset
9:55 AM
In sign
♓︎ Pisces
Elm Grove, WI
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Elm Grove at a glance

  • Today vs. normal: 71°F — typical for the season
  • Last frost: May 4 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 53122

16-Day Forecast — Elm Grove

  1. Sat81°66°37%
  2. Sun79°62°10%
  3. Mon78°62°3%
  4. Tue82°59°2%
  5. Wed82°62°28%
  6. Thu70°64°34%
  7. Fri78°62°22%
  8. Sat82°62°12%
  9. Sun66°59°10%
  10. Mon76°57°8%
  11. Tue76°60°14%
  12. Wed80°63°17%
  13. Thu84°67°33%
  14. Fri85°68°30%
  15. Sat85°69°32%
  16. Sun85°68°35%

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 — Elm Grove

SPC includes Elm 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.

January 1–5: The year turns in silence.January 6–10: Ice thickens on still water.January 11–15: Shortest shadows lengthen.January 16–20: Pheasants begin to call.January 21–25: Springs begin to thaw.January 26–31: Chickadees announce dawn.February 1–5: East wind softens the frost.February 6–10: Sap begins to rise.February 11–15: First snowdrops appear.February 16–20: Red-winged blackbirds return.February 21–25: Rain begins to replace snow.February 26–28: Skunk cabbage pushes through ice.March 1–5: Ice withdraws from the reservoir.March 6–10: Crocuses open to weak sun.March 11–15: Peepers call from the marsh.March 16–20: Woodcocks spiral at dusk.March 21–25: Equinox — light overtakes dark.March 26–31: Forsythia opens along the fences.April 1–5: Cherry blossoms drift like snow.April 6–10: Warblers appear in the understory.April 11–15: Magnolias bloom and fall in a day.April 16–20: Dogwoods float above the forest.April 21–25: Lilacs perfume the evening.April 26–30: Last frost releases the garden.May 1–5: Warblers flood the Ramble.May 6–10: Tulip poplars light their candles.May 11–15: Shad run up the rivers.May 16–20: Roses open along the stoops.May 21–25: Firefly scouts appear at dusk.May 26–31: Strawberries ripen in the sun.June 1–5: Fireflies rise from the lawn.June 6–10: Elderflowers open in hedgerows.June 11–15: Solstice approaches — longest light.June 16–20: Honeysuckle sweetens the night.June 21–25: Solstice — the sun stands still.June 26–30: Lightning bugs drift through oaks.July 1–5: Cicadas claim the afternoon.July 6–10: Queen Anne's lace lines the roads.July 11–15: Thunder builds each afternoon.July 16–20: Corn reaches for the tassels.July 21–25: Dog days settle in the haze.July 26–31: Katydids begin their chorus.August 1–5: Night falls a minute earlier.August 6–10: Sunflowers face the morning.August 11–15: Goldenrod begins to bloom.August 16–20: Crickets pulse through warm nights.August 21–25: First cool morning surprises.August 26–31: Monarchs stage for flight.September 1–5: School buses reappear.September 6–10: Asters purple the roadsides.September 11–15: Hawk migration over the Hudson.September 16–20: Equinox — dark overtakes light.September 21–25: Apples hang heavy on the branch.September 26–30: Geese begin to chevron south.October 1–5: Witch hazel blooms as others fade.October 6–10: Maples begin to blaze.October 11–15: Frost paints the garden black.October 16–20: Oaks turn bronze and russet.October 21–25: Leaves rattle down the gutters.October 26–31: Clocks fall back — dusk at five.November 1–5: Ginkgos drop overnight.November 6–10: Last leaves cling stubbornly.November 11–15: Juncos arrive from the north.November 16–20: Bare branches reveal the sky.November 21–25: First flurries dust the rooftops.November 26–30: Woodsmoke curls through the block.December 1–5: Darkness settles before dinner.December 6–10: Holly and winterberry persist.December 11–15: Shortest day approaches.December 16–20: Ice begins to form at the edges.December 21–25: Solstice — the sun begins return.December 26–31: The year turns in silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

Microseason · July 1–5

Cicadas claim the afternoon

Annual cicada buzz begins, peaking in the heat of the day.

Day 185 of 365 · Wedge 37 of 72

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
April——
Maylettuce, peas, spinach, radisheslettuce, peas, radishes
Junelettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
Augusttomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
October—winter squash, tomatoes (last)
November——
December——

A year in weather

Elm Grove peaks at about 73°F in August and bottoms near 23°F in January; May brings the heaviest rain (3.7 inches) and January the least (1.8 inches).

MonthMean tempPrecipRainy days
January23°1.8″18
February24°1.8″14
March32°2.6″16
April43°3.2″17
May52°3.7″18
June64°3.5″17
July73°2.6″15
August73°2.7″14
September67°3.1″14
October55°2.9″15
November40°3.1″15
December28°2.2″16

Regional context

Drawing on NOAA NCEI 1991-2020 normals, Elm Grove's January averages 23°F and July 73°F — 50°F apart — while precipitation totals roughly 33.1 inches over some 189 days.

Rainfall in Elm Grove stays even across the calendar: May tops out at 3.7 inches over 18.0 rainy days, and January still logs 1.8 inches across 17.8 — a narrow range for Elm Grove. That lines Elm Grove up with places like Brookfield, WI, Wauwatosa, WI and West Allis, WI, fed by overlapping storm tracks.

The cool-season window in Elm Grove starts at late-May, when nights stop freezing — think kale, peas, spinach, and parsnips. Warm-soil crops in Elm Grove wait about two weeks past Elm Grove's last frost, once the soil warms. Elm Grove's window closes around early-October as overnight lows return below freezing. In Elm Grove, low spots run 4-7°F colder than nearby slopes, nudging Elm Grove's frost dates a week.

Similar climates: Brookfield, WI, Wauwatosa, WI, West Allis, WI, Butler, WI, New Berlin, WI.

Frequently asked

When does it freeze in Elm Grove?
Frost typically leaves Elm Grove by mid-May and returns to Elm Grove near mid-October.
What is the rainy season in Elm Grove?
Rainfall in Elm Grove peaks in May near 3.7 inches, out of about 33 inches annually.
What is the warmest month in Elm Grove?
Elm Grove peaks in August, when the mean runs near 73°F.
What is the coldest month in Elm Grove?
January is Elm Grove's coldest month, averaging about 23°F.
When can I start a vegetable garden in Elm Grove?
Hardy spring crops go in near mid-May in Elm Grove; tender peppers and squash wait 10–14 days.
How many rainy days does Elm Grove get?
Elm Grove records around 189 days of measurable precipitation annually.
What hardiness zone is Elm Grove?
With January around 23°F, Elm Grove's zone reflects that minimum — the USDA ZIP map confirms Elm Grove's band.
What is the 10-day forecast for Elm Grove?
Elm Grove's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
Will it rain this week in Elm Grove?
See this week's day-by-day rain chances for Elm Grove in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Elm Grove?
Current conditions for Elm Grove and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Elm Grove forecast updated?
The Elm Grove forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Elm Grove?
Today's sunrise and sunset times for Elm Grove are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
How accurate is the weather forecast for Elm Grove?
The next few days in Elm Grove's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Set in a warm-summer humid continental zone, Elm Grove, Wisconsin swings from 23°F in the heart of winter to 73°F at midsummer — a 50°F arc.

Rain and snow bring Elm Grove roughly 33 inches a year across approximately 189 measurable-precipitation days.

Elm Grove's 50°F range, set by its 43.0°N position, drives frost timing and what thrives in Elm Grove.

All cities in Wisconsin →

West Allis, WI weather →

ZIP codes in Elm Grove

  • 53122

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.