Coleta, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coleta, a village in Whiteside County, Illinois.
Tonight
64°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between midnight and 5am, then showers and thunderstorms likely. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. East wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Coleta
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 to 15 mph E | 59% |
| Saturday | 80°F | Showers And Thunderstorms | 5 to 10 mph SE | 82% |
| Saturday Night | 63°F | Showers And Thunderstorms | 5 to 10 mph NW | 78% |
| Sunday | 70°F | Rain Showers | 10 to 15 mph NE | 77% |
| Sunday Night | 55°F | Rain Showers Likely | 15 to 20 mph NE | 61% |
| Monday | 65°F | Chance Rain Showers | 15 mph NE | 51% |
| Monday Night | 50°F | Chance Rain Showers | 10 to 20 mph NE | 41% |
| Tuesday | 63°F | Chance Rain Showers | 15 mph NE | 28% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 15 mph NE | 7% |
| Wednesday | 67°F | Mostly Sunny | 10 mph NE | 3% |
| Wednesday Night | 50°F | Partly Cloudy | 5 to 10 mph NE | 2% |
| Thursday | 69°F | Mostly Sunny | 5 mph NE | 4% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 5% |
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 Sep 19, 2026.