Shiloh, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shiloh, a village in St. Clair County, Illinois.
This Afternoon
72°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 68 in the afternoon. South wind 18 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.
7-day forecast for Shiloh
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Rain | 18 to 23 mph S | 92% |
| Tonight | 54°F | Rain | 8 to 18 mph S | 99% |
| Wednesday | 64°F | Chance Rain Showers then Mostly Cloudy | 7 to 14 mph W | 11% |
| Wednesday Night | 45°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 66°F | Sunny | 5 to 12 mph W | 1% |
| Thursday Night | 46°F | Mostly Cloudy | 5 mph NW | 7% |
| Friday | 58°F | Mostly Cloudy | 5 to 12 mph NW | 6% |
| Friday Night | 41°F | Partly Cloudy | 2 to 7 mph N | 1% |
| Saturday | 56°F | Partly Sunny | 5 mph NW | 0% |
| Saturday Night | 37°F | Partly Cloudy | 1 mph NW | 0% |
| Sunday | 61°F | Sunny | 1 to 7 mph W | 8% |
| Sunday Night | 38°F | Mostly Clear | 3 mph W | 5% |
| Monday | 66°F | Sunny | 2 to 7 mph SW | 2% |
| Monday Night | 42°F | Mostly Clear | 3 mph SW | 1% |
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 Nov 3, 2026.