Rochelle, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rochelle, a city in Ogle County, Illinois.
This Afternoon
72°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a high near 72. South southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Rochelle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Showers And Thunderstorms Likely | 5 mph SSE | 74% |
| Tonight | 63°F | Showers And Thunderstorms | 5 mph ESE | 100% |
| Sunday | 66°F | Showers And Thunderstorms | 10 to 15 mph NE | 81% |
| Sunday Night | 54°F | Slight Chance Rain Showers | 10 to 15 mph NE | 23% |
| Monday | 64°F | Chance Rain Showers | 15 mph ENE | 46% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 52% |
| Tuesday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 52% |
| Tuesday Night | 48°F | Mostly Cloudy | 5 to 15 mph NE | 13% |
| Wednesday | 65°F | Partly Sunny | 5 to 15 mph NE | 6% |
| Wednesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NNE | 1% |
| Thursday | 68°F | Partly Sunny | 5 mph NE | 6% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NE | 9% |
| Friday | 71°F | Partly Sunny | 0 to 5 mph NE | 8% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Rochelle (41.919, -89.064). Updated through the day.
Growing snapshot for Rochelle
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
168 days
Hardiness zone
5b
More local growing data for Rochelle: nearby ZIP 61068 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Rochelle, Il (2.7 mi from Rochelle). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.