La Grange Park, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
La Grange Park weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain80%0.56″81°68°—
- SundayJul 5Overcast12%—75°65°-6°
- MondayJul 6Overcast10%—82°67°+7°
- TuesdayJul 7Overcast——85°65°+3°
- WednesdayJul 8Overcast24%—86°66°+1°
- ThursdayJul 9Thunderstorm37%0.24″79°67°-7°
- FridayJul 10Overcast37%—82°66°+3°
AQI 47 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.1 µg/m³ (AQI 39) with a 0.95 fine-to-coarse ratio and 4 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.
What's driving it
PM × Wind × Precip
PM2.5 at 7.1 µg/m³ (AQI 39) with a 0.95 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.95
- Wind
- calm
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:49 PM
- Moonset
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
La Grange Park at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60526
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 — La Grange Park
SPC has placed La Grange 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
La Grange 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).
| 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
La Grange Park's climate, from NOAA NCEI 1991-2020 station normals, pairs 24°F Januarys with 76°F Julys — a 53°F swing. About 36.8 inches of precipitation falls over roughly 184 days a year.
Rainfall in La Grange 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 La Grange Park. That even rhythm groups La Grange Park with places like Brookfield, IL, Westchester, IL and La Grange, IL.
By mid-April the frosts ease in La Grange Park, opening the season for kale, peas, spinach, and parsnips. Hold La Grange Park's tender crops — tomatoes, peppers, basil — until 10-14 days past La Grange Park's last frost. It shuts near mid-November, when freezes return to La Grange Park and tender plants need cover. Within La Grange Park, cold-air pooling chills low spots by 5-10°F, shifting La Grange Park's local frost dates.
Similar climates: Brookfield, IL, Westchester, IL, La Grange, IL, Broadview, IL, Western Springs, IL.
Frequently asked
- When does it freeze in La Grange Park?
- La Grange Park's last spring frost lands near mid-April, and in La Grange Park the first fall frost follows around mid-November.
- What is the rainy season in La Grange Park?
- Rainfall in La Grange Park peaks in May near 4.2 inches, out of about 37 inches annually.
- What is the warmest month in La Grange Park?
- The warmest stretch in La Grange Park comes in July, around 76°F on average.
- What is the coldest month in La Grange Park?
- On average January is the chilliest month in La Grange Park, about 24°F.
- When can I start a vegetable garden in La Grange Park?
- Time tomatoes in La Grange Park for two weeks after mid-April; peas and greens start at La Grange Park's frost line.
- How many rainy days does La Grange Park get?
- La Grange Park records around 184 days of measurable precipitation annually.
- What hardiness zone is La Grange Park?
- La Grange 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 La Grange Park?
- La Grange 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 La Grange Park?
- See this week's day-by-day rain chances for La Grange Park in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in La Grange Park?
- Current conditions for La Grange 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 La Grange Park forecast updated?
- The La Grange 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 La Grange Park?
- Today's sunrise and sunset times for La Grange 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 La Grange Park?
- The next few days in La Grange Park's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
La Grange Park's warm-summer humid continental climate in Illinois pairs 24°F Januarys with 76°F Julys, 52°F apart across the seasons.
Rain and snow bring La Grange Park roughly 37 inches a year across approximately 184 measurable-precipitation days.
The 52°F gap between La Grange Park's summer and winter, at 41.8°N, shapes La Grange Park's frost calendar.
ZIP codes in La Grange Park
- 60526