Harman US

Ophiem, IL Weather & Growing Conditions

Tonight
51°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. Low around 51, with temperatures rising to around 54 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Showers And Thunderstorms 10 to 15 mph S 80%
Wednesday 56°F Chance Rain Showers 15 mph SW 27%
Wednesday Night 44°F Mostly Cloudy 15 mph SW 12%
Thursday 55°F Chance Rain Showers 10 to 15 mph W 32%
Thursday Night 42°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph NW 30%
Friday 52°F Partly Sunny 5 to 10 mph N 13%
Friday Night 34°F Partly Cloudy 0 to 5 mph N 1%
Saturday 53°F Mostly Sunny 0 to 5 mph W 3%
Saturday Night 35°F Partly Cloudy 0 to 5 mph W 3%
Sunday 59°F Sunny 5 to 10 mph W 11%
Sunday Night 36°F Mostly Clear 5 mph W 3%
Monday 63°F Sunny 5 to 15 mph SW 1%
Monday Night 40°F Mostly Clear 5 to 10 mph W 0%
Tuesday 64°F Sunny 5 to 10 mph NW 0%

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

Growing snapshot for Ophiem, IL

Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
165 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Altona, Il (14.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.