Coleta, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coleta, a village in Whiteside County, Illinois.
Today
86°F
Mostly Sunny
Mostly sunny. High near 86, with temperatures falling to around 84 in the afternoon. Southwest wind 5 to 10 mph.
7-day forecast for Coleta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 5 to 10 mph SW | 8% |
| Tonight | 66°F | Showers And Thunderstorms Likely | 5 mph NW | 88% |
| Wednesday | 77°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph W | 78% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 to 5 mph N | 76% |
| Thursday | 79°F | Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 38% |
| Thursday Night | 60°F | Mostly Clear | 0 mph | 9% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph SE | 4% |
| Friday Night | 63°F | Mostly Clear | 0 to 5 mph S | 8% |
| Saturday | 84°F | Sunny | 5 to 10 mph S | 10% |
| Saturday Night | 68°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 20% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SW | 20% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 39% |
| Monday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 37% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph W | 41% |
Forecast source: National Weather Service (api.weather.gov) for Coleta (41.902, -89.800). Updated through the day.
Growing snapshot for Coleta
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
5b
More local growing data for Coleta: nearby ZIP 61081 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dixon 1W, Il (11.7 mi from Coleta). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.