Crab Orchard, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crab Orchard, a community in Williamson County, Illinois.
Overnight
64°F
Mostly Clear
Mostly clear. Low around 64, with temperatures rising to around 66 overnight. East wind around 1 mph.
7-day forecast for Crab Orchard
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Mostly Clear | 1 mph E | 0% |
| Tuesday | 88°F | Patchy Fog then Sunny | 0 to 5 mph ENE | 0% |
| Tuesday Night | 64°F | Mostly Clear | 0 to 3 mph ENE | 0% |
| Wednesday | 91°F | Sunny | 0 to 3 mph SSW | 0% |
| Wednesday Night | 69°F | Mostly Clear | 2 mph S | 2% |
| Thursday | 90°F | Slight Chance Showers And Thunderstorms | 2 to 8 mph SSW | 23% |
| Thursday Night | 71°F | Slight Chance Showers And Thunderstorms | 0 to 6 mph S | 56% |
| Friday | 90°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 7 mph SW | 56% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 3 mph SSW | 36% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 2 to 6 mph SSW | 36% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SSW | 17% |
| Sunday | 92°F | Mostly Sunny | 3 to 9 mph SSW | 8% |
| Sunday Night | 72°F | Mostly Clear | 3 to 9 mph SSW | 5% |
| Monday | 93°F | Sunny | 5 to 10 mph SSW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Crab Orchard (37.724, -88.810). Updated through the day.
Growing snapshot for Crab Orchard
Last spring frost
Apr 7
First fall frost
Oct 26
Growing season
202 days
Hardiness zone
7a
More local growing data for Crab Orchard: nearby ZIP 62974 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Harrisburg, Il (15.1 mi from Crab Orchard). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.