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Shiloh, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Shiloh, a village in St. Clair County, Illinois.

Tonight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. South wind around 6 mph.

7-day forecast for Shiloh

WhenTempForecastWindPrecip
Tonight 73°F Partly Cloudy 6 mph S 9%
Saturday 97°F Mostly Sunny 3 to 8 mph SW 6%
Saturday Night 73°F Partly Cloudy 5 mph S 1%
Sunday 94°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 to 7 mph W 17%
Sunday Night 68°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 8 mph N 54%
Monday 81°F Showers And Thunderstorms Likely 6 to 12 mph N 66%
Monday Night 61°F Showers And Thunderstorms Likely 7 to 13 mph N 66%
Tuesday 72°F Chance Rain Showers then Mostly Cloudy 12 mph N 28%
Tuesday Night 55°F Mostly Cloudy 6 to 12 mph N 6%
Wednesday 74°F Mostly Sunny 9 mph N 3%
Wednesday Night 56°F Partly Cloudy 3 to 8 mph N 2%
Thursday 75°F Mostly Sunny 3 to 9 mph N 2%
Thursday Night 59°F Partly Cloudy 3 to 8 mph N 2%
Friday 76°F Mostly Sunny 3 to 8 mph N 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 Sep 19, 2026.