Coral, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coral, a community in Mchenry County, Illinois.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. South southwest wind around 10 mph.
7-day forecast for Coral
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 10 mph SSW | 1% |
| Tonight | 66°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph WSW | 64% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 5 mph WSW | 74% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 to 5 mph NW | 78% |
| Thursday | 78°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 49% |
| Thursday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 15% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph S | 8% |
| Saturday | 83°F | Mostly Sunny | 0 to 10 mph SSW | 11% |
| Saturday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 20% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 20% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 43% |
| Monday | 83°F | Chance Rain Showers | 5 mph SSW | 43% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph WNW | 45% |
Forecast source: National Weather Service (api.weather.gov) for Coral (42.218, -88.566). Updated through the day.
Growing snapshot for Coral
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
More local growing data for Coral: nearby ZIP 60180 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Huntley
Johnsburg
Lake Barrington
Lake in the Hills
Lakemoor
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Marengo
McCullom Lake
McHenry
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Ridgefield
Riley
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Solon Mills
Spring Grove
Climate data from the nearest NOAA station, Marengo, Il (5.3 mi from Coral). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.