Roanoke, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roanoke, a village in Woodford County, Illinois.
This Afternoon
70°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Mostly cloudy, with a high near 70. South wind 18 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Roanoke
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Light Rain Likely | 18 to 23 mph S | 69% |
| Tonight | 54°F | Light Rain | 14 to 17 mph S | 90% |
| Wednesday | 60°F | Chance Light Rain then Mostly Cloudy | 16 mph SW | 29% |
| Wednesday Night | 45°F | Mostly Cloudy | 9 to 13 mph SW | 6% |
| Thursday | 59°F | Mostly Cloudy | 9 to 14 mph WSW | 10% |
| Thursday Night | 42°F | Chance Light Rain | 3 to 8 mph NW | 32% |
| Friday | 54°F | Slight Chance Light Rain | 7 to 12 mph N | 20% |
| Friday Night | 35°F | Partly Cloudy | 2 to 8 mph NNW | 4% |
| Saturday | 53°F | Mostly Sunny | 5 mph WNW | 3% |
| Saturday Night | 34°F | Partly Cloudy | 3 mph WSW | 3% |
| Sunday | 59°F | Sunny | 3 to 9 mph W | 14% |
| Sunday Night | 34°F | Mostly Clear | 6 mph W | 6% |
| Monday | 63°F | Sunny | 3 to 12 mph SW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 to 8 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Roanoke (40.799, -89.201). Updated through the day.
Growing snapshot for Roanoke
Last spring frost
Apr 26
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
5b
More local growing data for Roanoke: nearby ZIP 61561 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Benson
Carlock
Congerville
El Paso
Eureka
Germantown Hills
Goodfield
Lowpoint
Metamora
Minonk
Panola
Secor
Washburn
Climate data from the nearest NOAA station, Minonk, Il (11.7 mi from Roanoke). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.