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Catlin, IL Weather & Growing Conditions

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

Overnight
58°F
Light Rain
Rain before 4am, then a chance of rain showers. Cloudy, with a low around 58. South wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Catlin

WhenTempForecastWindPrecip
Overnight 58°F Light Rain 16 mph S 87%
Wednesday 65°F Chance Rain Showers then Mostly Cloudy 10 to 15 mph SSW 41%
Wednesday Night 45°F Mostly Cloudy 8 mph SW 1%
Thursday 63°F Mostly Sunny 7 to 13 mph WSW 2%
Thursday Night 43°F Mostly Cloudy 1 to 5 mph WNW 6%
Friday 57°F Partly Sunny 3 to 8 mph NNW 13%
Friday Night 36°F Mostly Cloudy 2 to 7 mph NNW 7%
Saturday 55°F Mostly Sunny 5 mph NW 3%
Saturday Night 33°F Partly Cloudy 1 mph W 2%
Sunday 60°F Mostly Sunny 1 to 7 mph W 10%
Sunday Night 33°F Mostly Clear 5 mph WNW 9%
Monday 63°F Sunny 2 to 8 mph WSW 5%
Monday Night 38°F Mostly Clear 5 mph WSW 2%
Tuesday 66°F Sunny 6 mph W 2%

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
6a

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 Nov 4, 2026.