New Berlin, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for New Berlin, a village in Sangamon County, Illinois.

This Afternoon

89°F

Sunny

Sunny, with a high near 89. East northeast wind around 7 mph.

7-day forecast for New Berlin

When	Temp	Forecast	Wind	Precip
This Afternoon	89°F	Sunny	7 mph ENE	13%
Tonight	72°F	Partly Cloudy	9 mph ESE	12%
Saturday	93°F	Partly Sunny	8 mph SW	8%
Saturday Night	69°F	Mostly Cloudy then Chance Showers And Thunderstorms	7 mph SSW	29%
Sunday	86°F	Rain Showers Likely	2 to 9 mph NW	55%
Sunday Night	61°F	Chance Showers And Thunderstorms	8 to 12 mph NE	69%
Monday	72°F	Showers And Thunderstorms Likely	12 mph NE	69%
Monday Night	56°F	Chance Showers And Thunderstorms	9 to 13 mph NE	45%
Tuesday	68°F	Chance Rain Showers then Mostly Cloudy	12 mph NNE	31%
Tuesday Night	51°F	Mostly Cloudy	6 to 12 mph NNE	4%
Wednesday	72°F	Partly Sunny	9 mph NNE	2%
Wednesday Night	53°F	Partly Cloudy	3 to 7 mph NNE	0%
Thursday	73°F	Mostly Sunny	3 to 7 mph NNE	3%
Thursday Night	55°F	Partly Cloudy	6 mph NNE	4%

Forecast source: National Weather Service (api.weather.gov) for New Berlin (39.726, -89.914). Updated through the day.

Growing snapshot for New Berlin

Last spring frost

Apr 15

First fall frost

Oct 22

Growing season

188 days

Hardiness zone

More local growing data for New Berlin: nearby ZIP 62670 weather · frost dates · planting calendar · Illinois frost dates

Nearby towns & communities

Auburn Berlin Buffalo Cantrall Chatham Curran Dawson Divernon Grandview Illiopolis Jerome Leland Grove Loami Mechanicsburg Pawnee Pleasant Plains Riverton Rochester Sherman Southern View Spaulding Springfield Thayer Williamsville

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Climate data from the nearest NOAA station, Springfield #2, Il (12.3 mi from New Berlin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.