Harman US

Apple River, IL Weather & Growing Conditions

Today
82°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Partly sunny. High near 82, with temperatures falling to around 80 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
Today 82°F Partly Sunny then Chance Showers And Thunderstorms 5 to 10 mph SW 29%
Tonight 64°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph NW 82%
Wednesday 74°F Showers And Thunderstorms Likely 0 to 5 mph N 64%
Wednesday Night 58°F Chance Showers And Thunderstorms 0 to 5 mph NW 52%
Thursday 78°F Slight Chance Rain Showers then Mostly Sunny 0 to 5 mph NE 20%
Thursday Night 59°F Mostly Clear 0 mph 4%
Friday 80°F Mostly Sunny 0 to 5 mph SE 5%
Friday Night 63°F Mostly Clear 5 mph S 7%
Saturday 83°F Mostly Sunny 5 to 10 mph SW 10%
Saturday Night 68°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 to 10 mph S 24%
Sunday 84°F Slight Chance Showers And Thunderstorms 10 mph SW 24%
Sunday Night 68°F Chance Showers And Thunderstorms 5 to 10 mph SW 41%
Monday 83°F Chance Showers And Thunderstorms 5 to 10 mph S 41%
Monday Night 68°F Chance Showers And Thunderstorms 5 to 10 mph NE 41%

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

Growing snapshot for Apple River, IL

Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Stockton 3 Nne, Il (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.