Catlin, IL Weather & Growing Conditions

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

Today

84°F

Patchy Fog then Sunny

Patchy fog before 9am. Sunny, with a high near 84. South wind around 3 mph.

7-day forecast for Catlin

When	Temp	Forecast	Wind	Precip
Today	84°F	Patchy Fog then Sunny	3 mph S	0%
Tonight	64°F	Mostly Clear	2 mph SSE	0%
Wednesday	85°F	Sunny	2 to 6 mph SSW	1%
Wednesday Night	67°F	Slight Chance Showers And Thunderstorms	5 mph S	46%
Thursday	82°F	Showers And Thunderstorms	1 to 6 mph S	75%
Thursday Night	66°F	Chance Showers And Thunderstorms	3 mph S	51%
Friday	83°F	Chance Showers And Thunderstorms	3 mph SSW	25%
Friday Night	66°F	Chance Showers And Thunderstorms	2 mph SSW	25%
Saturday	85°F	Mostly Sunny	2 to 6 mph SSW	14%
Saturday Night	69°F	Mostly Clear	2 to 7 mph SSW	14%
Sunday	87°F	Sunny	7 to 12 mph SSW	10%
Sunday Night	71°F	Partly Cloudy	10 mph SSW	12%
Monday	88°F	Mostly Sunny then Slight Chance Showers And Thunderstorms	10 mph SW	18%
Monday Night	71°F	Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms	10 mph SW	30%

Forecast source: National Weather Service (api.weather.gov) for Catlin (40.068, -87.708). Updated through the day.

Growing snapshot for Catlin

Last spring frost

Apr 19

First fall frost

Oct 19

Growing season

181 days

Hardiness zone

More local growing data for Catlin: nearby ZIP 61817 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Sidell 4N, Il (7.3 mi from Catlin). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.