Crest Hill, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crest Hill, a city in Will County, Illinois.
Today
85°F
Mostly Sunny
Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph.
7-day forecast for Crest Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny | 5 to 10 mph SSW | 6% |
| Tonight | 67°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph S | 18% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 5 mph WSW | 60% |
| Wednesday Night | 66°F | Showers And Thunderstorms | 5 mph W | 90% |
| Thursday | 80°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 77% |
| Thursday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 35% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph S | 5% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph S | 9% |
| Saturday | 84°F | Mostly Sunny | 0 to 10 mph SSW | 11% |
| Saturday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 15% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SW | 15% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 37% |
| Monday | 86°F | Chance Rain Showers | 5 to 10 mph SSW | 37% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 42% |
Forecast source: National Weather Service (api.weather.gov) for Crest Hill (41.574, -88.113). Updated through the day.
Growing snapshot for Crest Hill
Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
6a
More local growing data for Crest Hill: nearby ZIP 60403 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Lakewood Shores
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Preston Heights
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Climate data from the nearest NOAA station, Romeoville Wfo, Il (3 mi from Crest Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.