Harman US

Bath, IL Weather & Growing Conditions

This Afternoon
88°F
Mostly Cloudy
Mostly cloudy, with a high near 88. South wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 88°F Mostly Cloudy 7 mph S 11%
Tonight 68°F Mostly Cloudy then Chance Rain Showers 6 mph SSW 26%
Sunday 80°F Chance Showers And Thunderstorms 3 to 10 mph NNE 43%
Sunday Night 60°F Chance Showers And Thunderstorms 8 to 12 mph NE 59%
Monday 68°F Showers And Thunderstorms 10 mph ENE 75%
Monday Night 55°F Rain Showers Likely 6 to 9 mph NE 66%
Tuesday 65°F Chance Rain Showers 9 mph NE 49%
Tuesday Night 51°F Mostly Cloudy 3 to 7 mph NNE 6%
Wednesday 68°F Partly Sunny 3 to 7 mph NNE 2%
Wednesday Night 53°F Partly Cloudy 1 to 5 mph NNE 2%
Thursday 71°F Partly Sunny 3 mph NNE 0%
Thursday Night 56°F Mostly Cloudy 2 mph NE 2%
Friday 74°F Partly Sunny 3 mph NE 7%
Friday Night 56°F Partly Cloudy 2 mph NE 4%

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.