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Frankfort Square, Illinois Weather

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

Frankfort Square weather forecast — hour by hour, 7-day outlook, NOAA radar

Frankfort Square, IL
Saturday, July 4 at 6:49 AM
70
°
Mostly Clear
Feels like
73°
Humidity
90%
Wind
9 mph
Sunrise
12:22 AM
Sunset
3:28 PM
Frankfort Square, IL
Hour by hour · 24h
24-Hour ForecastFrankfort Square, IL: 24-hour forecast. Temperatures range from 66 to 83 degrees Fahrenheit with a 40% chance of precipitation at 7 PM.
L 66°H 83°
Frankfort Square, IL
7-day forecast
  1. Today
    Jul 4
    Heavy Rain
    80%
    1.5″
    83°69°—
  2. Sunday
    Jul 5
    Foggy
    14%
    —
    76°66°-7°
  3. Monday
    Jul 6
    Partly Cloudy
    —
    —
    80°67°+4°
  4. Tuesday
    Jul 7
    Overcast
    —
    —
    84°64°+4°
  5. Wednesday
    Jul 8
    Overcast
    20%
    —
    82°62°-2°
  6. Thursday
    Jul 9
    Heavy Drizzle
    33%
    0.12″
    80°67°-2°
  7. Friday
    Jul 10
    Overcast
    33%
    —
    82°65°+2°
Frankfort Square, IL
Next 24 hours · Mild now
62°75°88°6a12p6p12anow 69°high 83°low 66°PRECIP %
Frankfort Square, IL
Anemometer · 24h winds · from true
NESW
From · True
WNW
286° · veering 104°
Direction
WNW
286°
Sustained
9
mph
Gust
18
mph
Peak 24h
23
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 23 @ 2:00p
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 362SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 104° from the wnw.
Frankfort Square, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
989.8
-1.9 mb in 3h · falling · 29.23 inHg
Now
989.8
mb
3h
-1.9
mb
12h
-1.0
mb
24h
-3.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 989–993
9809859909951000STORM|RAIN-21h-18h-15h-12h-9h-6h-3h-24hNOW992.9988.8988.8
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Frankfort Square, IL
Air quality
37
AQI
Good
↓-5 in 6h

AQI 37 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 6.4 µg/m³, PM10 at 6.6 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.

PM 2.5DRIVERGood
6.4μg/m³
PM 10Good
7μg/m³
NO₂Good
10μg/m³
OzoneGood
60μg/m³
UV IndexLow
0.1

What's driving it

PM × Wind × Precip

PM2.5 at 6.4 µg/m³, PM10 at 6.6 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.97
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
Frankfort Square, IL
Sky cover · visibility · 24h
Cloud cover
43%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
29.2mi
UNLIMITED
60 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
11:49 UTC · Frankfort Square, 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
11:49 UTC · Frankfort Square, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Frankfort Square, IL
Satellite · infrared · animated
Frankfort Square, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Frankfort Square, IL
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:50 AM
Sunrise
12:22 AM
Daylight
15h 06m
Sunset
3:28 PM
Civil dusk
9:03 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Frankfort Square, IL
The moon
Waning Gibbous
82% illuminated
Moonrise
10:48 PM
Moonset
9:55 AM
In sign
♓︎ Pisces
Frankfort Square, IL
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Frankfort Square at a glance

  • Today vs. normal: 70°F — typical for the season
  • Last frost: April 25 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Frankfort Square

  1. Sat83°69°80%
  2. Sun76°66°14%
  3. Mon80°67°4%
  4. Tue84°64°4%
  5. Wed82°62°20%
  6. Thu80°67°33%
  7. Fri82°65°33%
  8. Sat82°64°15%
  9. Sun72°61°8%
  10. Mon76°61°9%
  11. Tue79°63°9%
  12. Wed82°63°10%
  13. Thu85°66°33%
  14. Fri83°70°20%
  15. Sat87°70°19%
  16. Sun86°71°27%

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 — Frankfort Square

SPC has placed Frankfort Square in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

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.

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——
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

The year in Frankfort Square tops out in July (~74°F) and dips lowest in January (~23°F), with June wettest at 4.9 inches and February driest at 2.1 inches.

MonthMean tempPrecipRainy days
January23°2.5″6
February27°2.1″5
March37°2.6″6
April49°4.0″8
May60°4.6″8
June70°4.9″7
July74°4.7″7
August72°4.0″6
September65°3.4″6
October53°3.6″7
November40°3.0″6
December29°2.5″6

Regional context

Per NOAA NCEI 1991-2020 normals, Frankfort Square runs from a 23°F January mean to 74°F in July, a 51°F seasonal spread, with near 42.1 inches of precipitation across about 77 wet days.

Precipitation in Frankfort Square runs summer-dominant: June averages 4.9 inches across 7.1 days of warm-season storms, while February drops to 2.1 inches over 4.7 rainy days of drier cool air. It is a warm-season-wet pattern Frankfort Square shares with places like Arbury Hills, IL, Frankfort, IL and Matteson, IL.

Around mid-April, Frankfort Square sheds its freezing nights — kale, peas, spinach, and parsnips go into Frankfort Square's beds. Tomatoes and peppers do best set out two weeks later in Frankfort Square, once nights clear the mid-40s°F. By mid-November, frost is back in Frankfort Square — protect or harvest anything tender. A creek-bottom lot in Frankfort Square can lag Frankfort Square's last frost 7-10 days behind a south slope.

Similar climates: Arbury Hills, IL, Frankfort, IL, Matteson, IL, Tinley Park, IL, Mokena, IL.

Frequently asked

When does it freeze in Frankfort Square?
Frankfort Square's last spring frost lands near mid-April, and in Frankfort Square the first fall frost follows around mid-November.
What is the rainy season in Frankfort Square?
Rainfall in Frankfort Square peaks in June near 4.9 inches, out of about 42 inches annually.
What is the warmest month in Frankfort Square?
Frankfort Square peaks in July, when the mean runs near 74°F.
What is the coldest month in Frankfort Square?
January is Frankfort Square's coldest month, averaging about 23°F.
When can I start a vegetable garden in Frankfort Square?
In Frankfort Square, sow peas and hardy greens around mid-April; Frankfort Square's tomatoes and peppers wait two weeks more.
How many rainy days does Frankfort Square get?
Frankfort Square averages about 77 days with measurable rain or snow each year.
What hardiness zone is Frankfort Square?
With January around 23°F, Frankfort Square's zone reflects that minimum — the USDA ZIP map confirms Frankfort Square's band.
What is the 10-day forecast for Frankfort Square?
Frankfort Square'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 Frankfort Square?
See this week's day-by-day rain chances for Frankfort Square in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Frankfort Square?
Current conditions for Frankfort Square and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Frankfort Square forecast updated?
The Frankfort Square forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Frankfort Square?
Today's sunrise and sunset times for Frankfort Square 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 Frankfort Square?
The next few days in Frankfort Square's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

In Frankfort Square, Illinois, the warm-summer humid continental climate runs from about 23°F in January to 74°F in July, a 51°F seasonal range.

In a typical year Frankfort Square records about 42 inches of precipitation on around 77 days.

From 41.5°N, Frankfort Square sees a 51°F seasonal swing that governs Frankfort Square's planting and frost windows.

All cities in Illinois →

Tinley Park, IL weather →

ZIP codes in Frankfort Square

  • 60423

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.