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Germantown Hills, Illinois Weather

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

Germantown Hills weather forecast — hour by hour, 7-day outlook, NOAA radar

Germantown Hills, IL
Saturday, July 4 at 11:01 AM
81
°
Clear
Feels like
89°
Humidity
76%
Wind
9 mph
Sunrise
12:31 AM
Sunset
3:32 PM
Germantown Hills, IL
Hour by hour · 24h
24-Hour ForecastGermantown Hills, IL: 24-hour forecast. Temperatures range from 68 to 86 degrees Fahrenheit with a 50% chance of precipitation at 3 PM.
L 68°H 86°
Germantown Hills, IL
7-day forecast
  1. Today
    Jul 4
    Showers
    66%
    0.29″
    86°68°—
  2. Sunday
    Jul 5
    Foggy
    14%
    —
    82°68°-4°
  3. Monday
    Jul 6
    Clear
    —
    —
    81°64°-1°
  4. Tuesday
    Jul 7
    Overcast
    —
    —
    79°59°-2°
  5. Wednesday
    Jul 8
    Light Drizzle
    —
    —
    83°63°+4°
  6. Thursday
    Jul 9
    Thunderstorm
    49%
    0.20″
    82°69°-1°
  7. Friday
    Jul 10
    Overcast
    49%
    —
    77°64°-5°
Germantown Hills, IL
Next 24 hours · Warm now
HOT 90°64°77°90°6a12p6p12anow 81°high 86°low 68°PRECIP %
Germantown Hills, IL
Anemometer · 24h winds · from true
NESW
From · True
SW
216° · backing 7°
Direction
SW
216°
Sustained
9
mph
Gust
16
mph
Peak 24h
21
avg 7
Beaufort · 3 · GENTLE 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 21 @ 8:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 167SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 7° from the sw.
Germantown Hills, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.8
0.0 mb in 3h · steady · 29.17 inHg
Now
987.8
mb
3h
0.0
mb
12h
-2.2
mb
24h
-2.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 987–991
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW990.7986.9987.8
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Germantown Hills, IL
Air quality
27
AQI
Good
↓-5 in 6h▲Peak ~42 @ 10 PM

AQI 27 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 10.6 µg/m³, PM10 at 12.0 µg/m³ — typical background levels with no transport signature.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.

PM 2.5DRIVERGood
10.6μg/m³
PM 10Good
12μg/m³
NO₂Good
2μg/m³
OzoneModerate
81μg/m³
UV IndexModerate
3.8

What's driving it

Ozone × UV × Sky

Ozone at AQI 38 now. With UV 4.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 16 around 1 PM.

Present
AQI 38
UV peak
4.4 at 1 PM
Sky at peak
partly cloudy
Projected peak
AQI 16

PM × Wind × Precip

PM2.5 at 10.6 µg/m³, PM10 at 12.0 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.88
Wind
light
Recent rain
0h in last 6h
Pattern
background

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/m³300
Germantown Hills, IL
Sky cover · visibility · 24h
Cloud cover
8%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
41.0mi
UNLIMITED
71 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
16:01 UTC · Germantown Hills, IL · 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
16:01 UTC · Germantown Hills, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Germantown Hills, IL
Satellite · infrared · animated
Germantown Hills, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Germantown Hills, IL
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:59 AM
Sunrise
12:31 AM
Daylight
15h 01m
Sunset
3:32 PM
Civil dusk
9:06 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Germantown Hills, IL
The moon
Waning Gibbous
80% illuminated
Moonrise
10:53 PM
Moonset
10:03 AM
In sign
♓︎ Pisces
Germantown Hills, IL
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Germantown Hills at a glance

  • Today vs. normal: 10°F above the seasonal normal for this latitude
  • Last frost: April 21 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Germantown Hills

  1. Sat86°68°66%
  2. Sun82°68°14%
  3. Mon81°64°6%
  4. Tue79°59°3%
  5. Wed83°63°7%
  6. Thu82°69°49%
  7. Fri77°64°49%
  8. Sat82°65°15%
  9. Sun69°59°7%
  10. Mon73°56°10%
  11. Tue74°60°10%
  12. Wed78°62°16%
  13. Thu82°64°19%
  14. Fri82°69°26%
  15. Sat85°69°29%
  16. Sun84°72°32%

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 — Germantown Hills

SPC has placed Germantown Hills in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.

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: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its 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 scorching afternoon

Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.

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——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

July is Germantown Hills's warmest stretch (~76°F) and January its coldest (~26°F); precipitation crests in May at 4.7 inches and ebbs in February to 2.0 inches.

MonthMean tempPrecipRainy days
January26°2.1″5
February30°2.0″5
March41°2.7″6
April53°4.0″8
May64°4.7″8
June73°3.7″7
July76°3.5″5
August75°3.3″6
September67°3.5″5
October55°3.2″6
November42°2.7″6
December31°2.2″5

Regional context

Per NOAA NCEI 1991-2020 normals, Germantown Hills runs from a 26°F January mean to 76°F in July, a 51°F seasonal spread, with near 37.6 inches of precipitation across about 71 wet days.

Germantown Hills's rain peaks in summer: May brings 4.7 inches over 8.4 thunderstorm-fed days, while February sees just 2.0 inches across 4.6 days under cooler, drier air. That puts Germantown Hills in a summer-convective cohort with places like Bay View Gardens, IL, Spring Bay, IL and Washington, IL.

Once Germantown Hills passes mid-April, overnight freezes fade and kale, peas, spinach, and parsnips can be sown. Heat-demanding starts go out a fortnight on in Germantown Hills, after the soil warms and cold snaps clear. The season ends by mid-November in Germantown Hills, once hard frosts set back in. A creek-bottom lot in Germantown Hills can lag Germantown Hills's last frost 7-10 days behind a south slope.

Similar climates: Bay View Gardens, IL, Spring Bay, IL, Washington, IL, Metamora, IL, Peoria Heights, IL.

Frequently asked

When does it freeze in Germantown Hills?
Frost typically leaves Germantown Hills by mid-April and returns to Germantown Hills near mid-November.
What is the rainy season in Germantown Hills?
Germantown Hills sees its heaviest rain in May (around 4.7 inches), part of roughly 38 inches a year.
What is the warmest month in Germantown Hills?
On average July tops the year in Germantown Hills at about 76°F.
What is the coldest month in Germantown Hills?
The coldest stretch in Germantown Hills falls in January, around 26°F on average.
When can I start a vegetable garden in Germantown Hills?
Hardy spring crops go in near mid-April in Germantown Hills; tender peppers and squash wait 10–14 days.
How many rainy days does Germantown Hills get?
Expect roughly 71 wet days a year in Germantown Hills.
What hardiness zone is Germantown Hills?
With January around 26°F, Germantown Hills's zone reflects that minimum — the USDA ZIP map confirms Germantown Hills's band.
What is the 10-day forecast for Germantown Hills?
Germantown Hills'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 Germantown Hills?
See this week's day-by-day rain chances for Germantown Hills in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Germantown Hills?
Current conditions for Germantown Hills and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Germantown Hills forecast updated?
The Germantown Hills forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Germantown Hills?
Today's sunrise and sunset times for Germantown Hills 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 Germantown Hills?
The next few days in Germantown Hills's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

In Germantown Hills, Illinois, the humid subtropical climate runs from about 26°F in January to 76°F in July, a 50°F seasonal range.

Rain and snow bring Germantown Hills roughly 38 inches a year across approximately 71 measurable-precipitation days.

Germantown Hills's 50°F range, set by its 40.8°N position, drives frost timing and what thrives in Germantown Hills.

All cities in Illinois →

Peoria, IL weather →

ZIP codes in Germantown Hills

  • 61548

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.