Harman US

Elvaston, IL Weather & Growing Conditions

Overnight
52°F
Mostly Cloudy
Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Mostly Cloudy 10 to 15 mph SW 6%
Wednesday 57°F Mostly Cloudy 15 mph W 9%
Wednesday Night 46°F Mostly Cloudy 10 mph SW 3%
Thursday 57°F Mostly Cloudy then Slight Chance Rain Showers 10 to 15 mph W 15%
Thursday Night 44°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph NW 23%
Friday 52°F Partly Sunny 5 to 10 mph N 6%
Friday Night 34°F Partly Cloudy 0 to 5 mph N 0%
Saturday 53°F Mostly Sunny 0 to 5 mph NW 0%
Saturday Night 36°F Mostly Clear 0 to 5 mph W 1%
Sunday 59°F Sunny 5 mph W 2%
Sunday Night 37°F Clear 5 mph W 0%
Monday 64°F Sunny 5 to 10 mph SW 0%
Monday Night 42°F Clear 5 mph W 0%
Tuesday 66°F Sunny 5 mph NW 0%

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

Growing snapshot for Elvaston, IL

Last spring frost
Apr 10
First fall frost
Oct 27
Growing season
198 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Keokuk Lock Dam 19, Ia (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.