Harman US

Berlin, IL Weather & Growing Conditions

Tonight
52°F
Rain
Rain before 2am, then a slight chance of rain showers between 2am and 5am. Cloudy, with a low around 52. South southwest wind 12 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Rain 12 to 17 mph SSW 93%
Wednesday 60°F Mostly Cloudy 15 mph SW 10%
Wednesday Night 43°F Mostly Cloudy 10 mph WSW 1%
Thursday 61°F Mostly Sunny 9 to 13 mph WSW 4%
Thursday Night 41°F Mostly Cloudy then Slight Chance Light Rain 7 mph NW 22%
Friday 56°F Mostly Cloudy 7 to 10 mph NNW 12%
Friday Night 36°F Mostly Cloudy 2 to 8 mph NNW 2%
Saturday 54°F Mostly Sunny 3 mph NW 1%
Saturday Night 34°F Partly Cloudy 2 mph W 1%
Sunday 60°F Sunny 2 to 8 mph W 7%
Sunday Night 34°F Mostly Clear 6 mph WNW 4%
Monday 64°F Sunny 3 to 10 mph SW 2%
Monday Night 39°F Mostly Clear 7 mph WSW 1%
Tuesday 66°F Sunny 6 mph WNW 1%

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

Growing snapshot for Berlin, IL

Last spring frost
Apr 15
First fall frost
Oct 22
Growing season
188 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Springfield #2, Il (12.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.