Harman US

Lincoln, IL Weather & Growing Conditions

Tonight
54°F
Rain
Rain before 3am, then a slight chance of rain showers. Cloudy, with a low around 54. South wind 12 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 54°F Rain 12 to 16 mph S 95%
Wednesday 61°F Slight Chance Rain Showers then Mostly Cloudy 12 to 15 mph SW 15%
Wednesday Night 44°F Mostly Cloudy 10 mph SW 1%
Thursday 61°F Mostly Sunny 9 to 13 mph WSW 6%
Thursday Night 42°F Mostly Cloudy then Slight Chance Light Rain 5 to 8 mph WNW 23%
Friday 56°F Slight Chance Light Rain then Mostly Cloudy 7 to 10 mph NNW 15%
Friday Night 35°F Mostly Cloudy 2 to 9 mph NNW 6%
Saturday 54°F Mostly Sunny 2 to 6 mph NW 1%
Saturday Night 34°F Partly Cloudy 3 mph W 2%
Sunday 60°F Sunny 2 to 9 mph W 11%
Sunday Night 34°F Mostly Clear 3 to 7 mph WNW 6%
Monday 64°F Sunny 3 to 10 mph SW 2%
Monday Night 39°F Mostly Clear 5 to 8 mph WSW 2%
Tuesday 67°F Sunny 7 mph WNW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Lincoln, IL

Last spring frost
Apr 20
First fall frost
Oct 16
Growing season
179 days
Hardiness zone
6a

Explore more for Lincoln, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Lincoln, Il (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.