Harman US

Bath, IL Weather & Growing Conditions

Tonight
70°F
Partly Cloudy
Partly cloudy, with a low around 70. East southeast wind around 6 mph, with gusts as high as 16 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 70°F Partly Cloudy 6 mph ESE 12%
Saturday 90°F Mostly Cloudy 7 mph SSW 10%
Saturday Night 68°F Mostly Cloudy then Slight Chance Showers And Thunderstorms 6 mph SSW 44%
Sunday 81°F Rain Showers Likely 1 to 8 mph NNW 66%
Sunday Night 59°F Showers And Thunderstorms Likely 6 to 9 mph NE 68%
Monday 68°F Showers And Thunderstorms Likely 7 to 10 mph NE 68%
Monday Night 55°F Chance Showers And Thunderstorms 6 to 10 mph NE 43%
Tuesday 66°F Chance Rain Showers 9 mph NE 35%
Tuesday Night 51°F Mostly Cloudy 3 to 7 mph NNE 5%
Wednesday 70°F Partly Sunny 3 to 7 mph NNE 2%
Wednesday Night 53°F Partly Cloudy 1 to 5 mph NNE 1%
Thursday 71°F Mostly Sunny 5 mph NNE 4%
Thursday Night 55°F Partly Cloudy 3 mph NNE 4%
Friday 73°F Mostly Sunny 1 to 5 mph NE 5%

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

Growing snapshot for Bath, IL

Last spring frost
Apr 17
First fall frost
Oct 19
Growing season
185 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Havana, Il (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.