Harman US

Rockford, IL Weather & Growing Conditions

Today
60°F
Patchy Drizzle
Patchy drizzle and isolated rain showers. Mostly cloudy. High near 60, with temperatures falling to around 54 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 60°F Patchy Drizzle 15 mph SW 19%
Tonight 45°F Patchy Drizzle 15 mph SW 28%
Thursday 55°F Chance Rain Showers 10 to 15 mph W 35%
Thursday Night 38°F Slight Chance Rain Showers then Mostly Cloudy 10 to 15 mph NNW 22%
Friday 48°F Partly Sunny 10 to 15 mph N 5%
Friday Night 29°F Partly Cloudy 0 to 10 mph NNW 0%
Saturday 51°F Sunny 0 to 5 mph NW 0%
Saturday Night 31°F Mostly Clear 5 mph W 1%
Sunday 55°F Sunny 5 to 10 mph W 5%
Sunday Night 32°F Mostly Clear 0 to 5 mph WSW 0%
Monday 60°F Sunny 5 to 10 mph SW 0%
Monday Night 38°F Mostly Clear 5 to 10 mph W 0%
Tuesday 61°F Sunny 5 mph WNW 0%
Tuesday Night 36°F Partly Cloudy 0 to 5 mph NW 0%

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

Growing snapshot for Rockford, IL

Last spring frost
Apr 24
First fall frost
Oct 17
Growing season
174 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Rockford Gtr Rockford Ap, Il (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.