Rochelle, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rochelle, a city in Ogle County, Illinois.
Overnight
60°F
Mostly Clear
Mostly clear, with a low around 60. South wind around 5 mph.
7-day forecast for Rochelle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 84°F | Mostly Sunny | 5 to 10 mph SSW | 2% |
| Tuesday Night | 66°F | Chance Showers And Thunderstorms | 5 mph SSW | 60% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 0 to 5 mph WSW | 74% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 to 5 mph NNW | 81% |
| Thursday | 79°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph ENE | 46% |
| Thursday Night | 59°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph ESE | 17% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph SSE | 13% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph SSW | 13% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph SSW | 9% |
| Saturday Night | 68°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 18% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SW | 18% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 39% |
| Monday | 85°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 36% |
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 Aug 4, 2026.