Harman US

Riverside, IL Weather & Growing Conditions

Overnight
61°F
Rain Showers
Rain showers. Cloudy. Low around 61, with temperatures rising to around 64 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 61°F Rain Showers 15 mph S 81%
Wednesday 64°F Scattered Rain Showers then Patchy Drizzle 15 mph SSW 39%
Wednesday Night 50°F Patchy Drizzle then Mostly Cloudy 15 mph SW 12%
Thursday 56°F Mostly Cloudy then Chance Rain Showers 10 to 15 mph WSW 35%
Thursday Night 44°F Rain Showers Likely 10 to 15 mph NW 59%
Friday 51°F Slight Chance Rain Showers then Mostly Cloudy 15 mph NNW 18%
Friday Night 38°F Partly Cloudy 5 to 15 mph NNW 5%
Saturday 51°F Mostly Sunny 5 mph NW 2%
Saturday Night 37°F Mostly Clear 5 mph W 0%
Sunday 56°F Sunny 5 to 10 mph W 6%
Sunday Night 38°F Mostly Clear 5 to 10 mph W 2%
Monday 60°F Sunny 5 to 10 mph WSW 0%
Monday Night 44°F Mostly Clear 5 to 10 mph WSW 1%
Tuesday 61°F Sunny 5 mph WNW 1%

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

Growing snapshot for Riverside, IL

Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
201 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Chicago Midway Ap, Il (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.