Harman US

Riverwoods, IL Weather & Growing Conditions

This Afternoon
70°F
Chance Rain
A chance of rain before 3pm, then a chance of rain and a slight chance of thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 68 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 70°F Chance Rain 15 to 20 mph S 39%
Tonight 60°F Rain 15 mph S 78%
Wednesday 64°F Rain Likely 15 mph SSW 59%
Wednesday Night 48°F Slight Chance Rain then Mostly Cloudy 15 mph SW 19%
Thursday 57°F Chance Rain 10 to 15 mph WSW 33%
Thursday Night 42°F Rain Likely 5 to 10 mph WNW 59%
Friday 53°F Chance Rain 10 to 15 mph N 34%
Friday Night 37°F Mostly Cloudy 5 to 10 mph NNW 12%
Saturday 53°F Mostly Sunny 5 mph WNW 9%
Saturday Night 36°F Partly Cloudy 0 to 5 mph WSW 7%
Sunday 57°F Mostly Sunny then Slight Chance Rain 5 to 10 mph W 17%
Sunday Night 37°F Mostly Clear 5 mph WNW 9%
Monday 60°F Mostly Sunny 5 to 10 mph WSW 5%
Monday Night 41°F Partly Cloudy 5 to 10 mph W 3%

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

Growing snapshot for Riverwoods, IL

Last spring frost
Apr 19
First fall frost
Oct 26
Growing season
190 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Chicago Palwaukee Ap, Il (3.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.