Harman US

Seatonville, IL Weather & Growing Conditions

Overnight
55°F
Rain Showers
Rain showers. Mostly cloudy. Low around 55, with temperatures rising to around 57 overnight. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 55°F Rain Showers 10 mph S 75%
Wednesday 60°F Chance Rain Showers then Mostly Cloudy 10 to 15 mph SW 41%
Wednesday Night 46°F Slight Chance Rain Showers then Mostly Cloudy 10 to 15 mph SW 16%
Thursday 55°F Mostly Cloudy then Chance Rain Showers 10 to 15 mph W 38%
Thursday Night 42°F Chance Rain Showers 5 to 10 mph NW 30%
Friday 50°F Partly Sunny 5 to 10 mph N 5%
Friday Night 32°F Partly Cloudy 0 to 5 mph N 0%
Saturday 52°F Sunny 0 to 5 mph NW 0%
Saturday Night 34°F Mostly Clear 0 to 5 mph W 2%
Sunday 56°F Sunny 5 to 10 mph W 3%
Sunday Night 35°F Clear 0 to 5 mph W 1%
Monday 62°F Sunny 0 to 10 mph SW 0%
Monday Night 39°F Mostly Clear 5 mph W 1%
Tuesday 63°F Sunny 5 mph NW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Seatonville, IL

Last spring frost
Apr 24
First fall frost
Oct 17
Growing season
174 days
Hardiness zone
5b

Explore more for Seatonville, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Hennepin Wtr Trmt Plt, Il (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.