Coleta, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coleta, a village in Whiteside County, Illinois.
This Afternoon
67°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 67. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Coleta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Showers And Thunderstorms | 15 mph S | 96% |
| Tonight | 53°F | Showers And Thunderstorms | 15 mph S | 84% |
| Wednesday | 57°F | Chance Rain Showers | 15 mph SW | 39% |
| Wednesday Night | 45°F | Slight Chance Rain Showers | 15 mph SW | 24% |
| Thursday | 54°F | Chance Rain Showers | 10 to 15 mph W | 54% |
| Thursday Night | 40°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 26% |
| Friday | 51°F | Partly Sunny | 10 mph N | 13% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph NW | 3% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Sunday | 58°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 3% |
| Monday | 61°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 0% |
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 Nov 4, 2026.