Weather StoryAlmanac, microseasons, and the day's weather story.

Calumet Park, Illinois Weather

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

Calumet Park weather forecast — hour by hour, 7-day outlook, NOAA radar

Calumet Park, IL
Saturday, July 4 at 9:44 AM
76
°
Mostly Clear
Feels like
82°
Humidity
87%
Wind
5 mph
Sunrise
12:21 AM
Sunset
3:28 PM
Calumet Park, IL
Hour by hour · 24h
24-Hour ForecastCalumet Park, IL: 24-hour forecast. Temperatures range from 66 to 81 degrees Fahrenheit with a 50% chance of precipitation at 6 PM.
L 66°H 81°
Calumet Park, IL
7-day forecast
  1. Today
    Jul 4
    Light Showers
    79%
    0.22″
    81°67°—
  2. Sunday
    Jul 5
    Overcast
    11%
    —
    76°66°-5°
  3. Monday
    Jul 6
    Overcast
    —
    —
    81°67°+5°
  4. Tuesday
    Jul 7
    Overcast
    —
    —
    83°65°+2°
  5. Wednesday
    Jul 8
    Overcast
    17%
    —
    85°66°+2°
  6. Thursday
    Jul 9
    Thunderstorm
    31%
    0.27″
    82°68°-3°
  7. Friday
    Jul 10
    Overcast
    31%
    —
    81°67°-1°
Calumet Park, IL
Next 24 hours · Mild now
62°73°84°6a12p6p12anow 75°high 81°low 66°PRECIP %
Calumet Park, IL
Anemometer · 24h winds · from true
NESW
From · True
SSW
195° · backing 22°
Direction
SSW
195°
Sustained
5
mph
Gust
11
mph
Peak 24h
29
avg 5
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 5 · pk 29 @ 2:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 156SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 22° from the ssw.
Calumet Park, IL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
993.4
+0.3 mb in 3h · steady · 29.34 inHg
Now
993.4
mb
3h
+0.3
mb
12h
+0.3
mb
24h
-3.1
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 993–996
9859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW996.3992.7993.2
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Calumet Park, IL
Air quality
40
AQI
Good
→-1 in 6h

AQI 40 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.3 µg/m³, PM10 at 8.8 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
8.3μg/m³
PM 10Good
9μg/m³
NO₂Good
9μg/m³
OzoneModerate
75μg/m³
UV IndexLow
1.1

What's driving it

Ozone × UV × Sky

Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~91%) — afternoon ozone should stay flat.

Present
AQI 35
UV peak
2.2 at 1 PM
Sky at peak
overcast
Projected peak
AQI 5

PM × Wind × Precip

PM2.5 at 8.3 µg/m³, PM10 at 8.8 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.94
Wind
light
Recent rain
1h 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
Calumet Park, IL
Sky cover · visibility · 24h
Cloud cover
49%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
32.2mi
UNLIMITED
61 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
14:44 UTC · Calumet Park, 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
14:44 UTC · Calumet Park, IL · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Calumet Park, IL
Satellite · infrared · animated
Calumet Park, IL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Calumet Park, IL
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
4:48 AM
Sunrise
12:21 AM
Daylight
15h 07m
Sunset
3:28 PM
Civil dusk
9:03 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Calumet Park, IL
The moon
Waning Gibbous
81% illuminated
Moonrise
10:48 PM
Moonset
9:55 AM
In sign
♓︎ Pisces
Calumet Park, IL
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Calumet Park at a glance

  • Today vs. normal: 6°F above the seasonal normal for this latitude
  • Last frost: April 26 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Calumet Park

  1. Sat81°67°79%
  2. Sun76°66°11%
  3. Mon81°67°4%
  4. Tue83°65°3%
  5. Wed85°66°17%
  6. Thu82°68°31%
  7. Fri81°67°31%
  8. Sat85°65°18%
  9. Sun74°64°9%
  10. Mon77°62°10%
  11. Tue80°64°9%
  12. Wed86°65°19%
  13. Thu89°69°23%
  14. Fri88°73°16%
  15. Sat91°72°14%
  16. Sun92°73°28%

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 — Calumet Park

SPC has placed Calumet Park in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • 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.

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

Calumet Park peaks at about 76°F in July and bottoms near 24°F in January; May brings the heaviest rain (4.2 inches) and January the least (2.0 inches).

MonthMean tempPrecipRainy days
January24°2.0″16
February27°2.1″14
March37°3.0″16
April50°3.8″17
May59°4.2″18
June70°4.0″17
July76°2.9″15
August75°3.0″14
September68°3.1″14
October55°3.0″13
November40°3.2″16
December28°2.5″15

Regional context

By the nearest station's NOAA NCEI 1991-2020 normals, Calumet Park sees 24°F Januarys and 76°F Julys, a 53°F range, plus around 36.8 inches of precipitation across 184 days.

Rainfall in Calumet Park stays even across the calendar: May tops out at 4.2 inches over 18.2 rainy days, and January still logs 2.0 inches across 15.7 — a narrow range for Calumet Park. It is a balanced pattern Calumet Park shares with places like Blue Island, IL, Riverdale, IL and Dixmoor, IL.

By mid-April the frosts ease in Calumet Park, opening the season for kale, peas, spinach, and parsnips. Warm-soil crops in Calumet Park wait about two weeks past Calumet Park's last frost, once the soil warms. Around mid-November, freezing nights resume in Calumet Park and tender crops must come in. In Calumet Park, low spots run 4-7°F colder than nearby slopes, nudging Calumet Park's frost dates a week.

Similar climates: Blue Island, IL, Riverdale, IL, Dixmoor, IL, Merrionette Park, IL, Posen, IL.

Frequently asked

When does it freeze in Calumet Park?
Frost typically leaves Calumet Park by mid-April and returns to Calumet Park near mid-November.
What is the rainy season in Calumet Park?
Rainfall in Calumet Park peaks in May near 4.2 inches, out of about 37 inches annually.
What is the warmest month in Calumet Park?
The warmest stretch in Calumet Park comes in July, around 76°F on average.
What is the coldest month in Calumet Park?
On average January is the chilliest month in Calumet Park, about 24°F.
When can I start a vegetable garden in Calumet Park?
Time tomatoes in Calumet Park for two weeks after mid-April; peas and greens start at Calumet Park's frost line.
How many rainy days does Calumet Park get?
Calumet Park averages about 184 days with measurable rain or snow each year.
What hardiness zone is Calumet Park?
Calumet Park's hardiness zone tracks its winter low; with January near 24°F, check the USDA ZIP map for the exact zone.
What is the 10-day forecast for Calumet Park?
Calumet Park'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 Calumet Park?
See this week's day-by-day rain chances for Calumet Park in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Calumet Park?
Current conditions for Calumet Park and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Calumet Park forecast updated?
The Calumet Park forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Calumet Park?
Today's sunrise and sunset times for Calumet Park 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 Calumet Park?
The next few days in Calumet Park's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

Calumet Park, Illinois occupies a warm-summer humid continental zone, with January means near 24°F and July around 76°F — a 52°F swing.

Calumet Park sees close to 37 inches of precipitation annually, falling across some 184 wet days.

Latitude 41.7°N gives Calumet Park its 52°F swing, and with it the rhythm of Calumet Park's growing season.

All cities in Illinois →

Oak Lawn, IL weather →

ZIP codes in Calumet Park

  • 60827

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.