Carman, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carman, a community in Henderson County, Illinois.
Tonight
70°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 4am and 5am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Carman
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 26% |
| Saturday | 86°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph S | 17% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph NW | 72% |
| Sunday | 76°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 72% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 10 mph NE | 70% |
| Monday | 66°F | Rain Showers Likely | 10 mph NE | 64% |
| Monday Night | 54°F | Chance Rain Showers | 5 to 10 mph NE | 51% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 32% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 mph NE | 6% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 69°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Carman (40.736, -91.062). Updated through the day.
Growing snapshot for Carman
Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
185 days
Hardiness zone
6a
More local growing data for Carman: nearby ZIP 61425 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Burlington 2S, Ia (4.1 mi from Carman). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.