Bath, IL Weather & Growing Conditions
Tonight
52°F
Rain
Rain before 3am, then a slight chance of rain showers between 3am and 4am. Mostly cloudy, with a low around 52. South southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain | 7 to 10 mph SSW | 75% |
| Wednesday | 59°F | Mostly Cloudy | 10 to 14 mph SW | 10% |
| Wednesday Night | 44°F | Mostly Cloudy | 8 mph WSW | 1% |
| Thursday | 59°F | Mostly Sunny | 7 to 10 mph WSW | 7% |
| Thursday Night | 41°F | Mostly Cloudy then Slight Chance Light Rain | 6 mph NW | 17% |
| Friday | 55°F | Mostly Cloudy | 8 mph N | 13% |
| Friday Night | 35°F | Mostly Cloudy | 0 to 6 mph N | 2% |
| Saturday | 54°F | Mostly Sunny | 2 mph NW | 2% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph WNW | 1% |
| Sunday | 60°F | Sunny | 2 to 6 mph WNW | 7% |
| Sunday Night | 34°F | Mostly Clear | 3 mph W | 4% |
| Monday | 64°F | Sunny | 2 to 8 mph SW | 1% |
| Monday Night | 39°F | Mostly Clear | 5 mph WSW | 1% |
| Tuesday | 66°F | Sunny | 5 mph WNW | 0% |
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 Nov 4, 2026.