Rockton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockton, a village in Winnebago County, Illinois.
Today
75°F
Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers and thunderstorms before noon, then showers and thunderstorms likely between noon and 2pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 75. South southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Rockton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SSE | 100% |
| Tonight | 59°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph ENE | 88% |
| Sunday | 67°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 47% |
| Sunday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph NE | 15% |
| Monday | 62°F | Chance Rain Showers | 15 mph ENE | 30% |
| Monday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 17% |
| Tuesday | 61°F | Partly Sunny | 10 to 15 mph NE | 13% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 64°F | Mostly Sunny | 5 to 15 mph NE | 3% |
| Wednesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Thursday | 66°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 48°F | Mostly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 69°F | Partly Sunny | 0 to 10 mph NE | 3% |
| Friday Night | 49°F | Partly Cloudy | 0 to 5 mph ENE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Rockton (42.447, -89.063). Updated through the day.
Growing snapshot for Rockton
Last spring frost
May 1
First fall frost
Oct 12
Growing season
162 days
Hardiness zone
5b
More local growing data for Rockton: nearby ZIP 61073 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Cherry Valley
Durand
Loves Park
Machesney Park
New Milford
Pecatonica
Rockford
Roscoe
South Beloit
Westlake Village
Winnebago
Climate data from the nearest NOAA station, Beloit, Wi (5.9 mi from Rockton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.