Harman US

Rolling Meadows, IL Weather & Growing Conditions

Tonight
62°F
Slight Chance Rain Showers then Showers And Thunderstorms Likely
A slight chance of rain showers before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. East wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 62°F Slight Chance Rain Showers then Showers And Thunderstorms Likely 10 to 15 mph E 55%
Saturday 76°F Showers And Thunderstorms Likely 10 to 15 mph SE 90%
Saturday Night 63°F Showers And Thunderstorms Likely then Showers And Thunderstorms 5 to 10 mph NE 81%
Sunday 68°F Showers And Thunderstorms 10 to 15 mph NNE 80%
Sunday Night 56°F Chance Rain Showers 15 mph NE 53%
Monday 64°F Chance Rain Showers 15 mph ENE 45%
Monday Night 53°F Chance Rain Showers 10 to 15 mph ENE 33%
Tuesday 62°F Slight Chance Rain Showers 10 to 15 mph NE 22%
Tuesday Night 53°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph NE 19%
Wednesday 65°F Partly Sunny 5 to 10 mph NE 11%
Wednesday Night 53°F Mostly Cloudy 5 to 10 mph NNE 3%
Thursday 68°F Partly Sunny 5 mph NNE 6%
Thursday Night 54°F Mostly Cloudy 0 to 5 mph NNE 4%
Friday 70°F Mostly Sunny 0 to 5 mph NNE 5%

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

Growing snapshot for Rolling Meadows, IL

Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Chicago Ohare Intl Ap, Il (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.