Shiloh, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shiloh, a village in St. Clair County, Illinois.
Overnight
65°F
Clear
Clear, with a low around 65. East wind around 1 mph.
7-day forecast for Shiloh
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Clear | 1 mph E | 0% |
| Tuesday | 88°F | Patchy Fog then Sunny | 0 to 3 mph SE | 0% |
| Tuesday Night | 67°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 90°F | Sunny | 2 to 6 mph S | 6% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms | 7 mph S | 60% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 6 mph S | 71% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph SE | 46% |
| Friday | 87°F | Chance Showers And Thunderstorms | 3 mph SW | 46% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 3 mph SW | 36% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 5 mph S | 36% |
| Saturday Night | 72°F | Partly Cloudy | 6 mph S | 9% |
| Sunday | 91°F | Sunny | 5 to 8 mph S | 7% |
| Sunday Night | 74°F | Mostly Clear | 6 to 9 mph S | 5% |
| Monday | 93°F | Sunny | 6 to 9 mph SW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Shiloh (38.552, -89.915). Updated through the day.
Growing snapshot for Shiloh
Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
189 days
Hardiness zone
7a
More local growing data for Shiloh: nearby ZIP 62221 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Belleville Siu Rsch, Il (3.1 mi from Shiloh). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.