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Coleta, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Coleta, a village in Whiteside County, Illinois.

Today
79°F
Patchy Fog
Patchy fog and occasional showers and thunderstorms before 11am, then showers and thunderstorms likely between 11am and noon, then a chance of showers and thunderstorms between noon and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 79. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast for Coleta

WhenTempForecastWindPrecip
Today 79°F Patchy Fog 5 to 10 mph SE 98%
Tonight 63°F Showers And Thunderstorms 5 to 10 mph NW 92%
Sunday 69°F Rain Showers Likely 10 to 15 mph NE 62%
Sunday Night 55°F Chance Rain Showers 15 to 20 mph NE 37%
Monday 65°F Chance Rain Showers 15 mph NE 48%
Monday Night 50°F Chance Rain Showers 10 to 15 mph NE 34%
Tuesday 63°F Slight Chance Rain Showers then Partly Sunny 15 mph NE 18%
Tuesday Night 48°F Partly Cloudy 5 to 15 mph NE 8%
Wednesday 67°F Mostly Sunny 10 mph NE 1%
Wednesday Night 50°F Partly Cloudy 5 to 10 mph NE 1%
Thursday 68°F Mostly Sunny 5 mph NE 5%
Thursday Night 52°F Partly Cloudy 0 to 5 mph NE 5%
Friday 71°F Mostly Sunny 5 mph NE 3%
Friday Night 52°F Partly Cloudy 0 to 5 mph NE 3%

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

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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.