Evergreen Park, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Evergreen Park weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain80%1.3″83°68°—
- SundayJul 5Light Drizzle10%0.02″75°65°-8°
- MondayJul 6Overcast——80°67°+5°
- TuesdayJul 7Overcast——83°65°+3°
- WednesdayJul 8Overcast18%—86°66°+3°
- ThursdayJul 9Light Showers32%0.21″82°67°-4°
- FridayJul 10Overcast32%—80°67°-2°
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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~85%) — 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
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:48 PM
- Moonset
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Evergreen Park at a glance
- Today vs. normal: 5°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.
ZIP code: 60805
16-Day Forecast — Evergreen Park
- Sat83°68°80%
- Sun75°65°10%
- Mon80°67°4%
- Tue83°65°3%
- Wed86°66°18%
- Thu82°67°32%
- Fri80°67°32%
- Sat86°65°19%
- Sun72°64°9%
- Mon76°62°10%
- Tue79°64°9%
- Wed87°66°19%
- Thu90°70°23%
- Fri90°73°16%
- Sat89°72°14%
- Sun93°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 — Evergreen Park
SPC has placed Evergreen 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.
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
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July is Evergreen Park's warmest stretch (~76°F) and January its coldest (~24°F); precipitation crests in May at 4.2 inches and ebbs in January to 2.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 24° | 2.0″ | 16 |
| February | 27° | 2.1″ | 14 |
| March | 37° | 3.0″ | 16 |
| April | 50° | 3.8″ | 17 |
| May | 59° | 4.2″ | 18 |
| June | 70° | 4.0″ | 17 |
| July | 76° | 2.9″ | 15 |
| August | 75° | 3.0″ | 14 |
| September | 68° | 3.1″ | 14 |
| October | 55° | 3.0″ | 13 |
| November | 40° | 3.2″ | 16 |
| December | 28° | 2.5″ | 15 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Evergreen Park's January averages 24°F and July 76°F — 53°F apart — while precipitation totals roughly 36.8 inches over some 184 days.
Evergreen Park's precipitation spreads evenly: May peaks at 4.2 inches on 18.2 wet days, while January holds 2.0 inches over 15.7 — no month dominates Evergreen Park's rain calendar. That even rhythm groups Evergreen Park with places like Hometown, IL, Oak Lawn, IL and Merrionette Park, IL.
Evergreen Park's growing window opens around mid-April, once Evergreen Park's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. Warm-soil crops in Evergreen Park wait about two weeks past Evergreen Park's last frost, once the soil warms. It shuts near mid-November, when freezes return to Evergreen Park and tender plants need cover. In Evergreen Park, low spots run 4-7°F colder than nearby slopes, nudging Evergreen Park's frost dates a week.
Similar climates: Hometown, IL, Oak Lawn, IL, Merrionette Park, IL, Burbank, IL, Alsip, IL.
Frequently asked
- When does it freeze in Evergreen Park?
- Evergreen Park's last spring frost lands near mid-April, and in Evergreen Park the first fall frost follows around mid-November.
- What is the rainy season in Evergreen Park?
- Evergreen Park sees its heaviest rain in May (around 4.2 inches), part of roughly 37 inches a year.
- What is the warmest month in Evergreen Park?
- The warmest stretch in Evergreen Park comes in July, around 76°F on average.
- What is the coldest month in Evergreen Park?
- On average January is the chilliest month in Evergreen Park, about 24°F.
- When can I start a vegetable garden in Evergreen Park?
- Time tomatoes in Evergreen Park for two weeks after mid-April; peas and greens start at Evergreen Park's frost line.
- How many rainy days does Evergreen Park get?
- Evergreen Park averages about 184 days with measurable rain or snow each year.
- What hardiness zone is Evergreen Park?
- Evergreen Park sits in the USDA zone set by January lows near 24°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Evergreen Park?
- Evergreen 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 Evergreen Park?
- See this week's day-by-day rain chances for Evergreen Park in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Evergreen Park?
- Current conditions for Evergreen 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 Evergreen Park forecast updated?
- The Evergreen 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 Evergreen Park?
- Today's sunrise and sunset times for Evergreen 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 Evergreen Park?
- The next few days in Evergreen Park's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Evergreen Park, Illinois occupies a warm-summer humid continental zone, with January means near 24°F and July around 76°F — a 52°F swing.
Across the year, Evergreen Park collects about 37 inches of precipitation over roughly 184 days with measurable rain or snow.
Latitude 41.7°N gives Evergreen Park its 52°F swing, and with it the rhythm of Evergreen Park's growing season.
ZIP codes in Evergreen Park
- 60805