Roodhouse, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roodhouse, a city in Greene County, Illinois.
This Afternoon
72°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 67 in the afternoon. South wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
7-day forecast for Roodhouse
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Light Rain | 18 mph S | 100% |
| Tonight | 51°F | Rain | 9 to 17 mph S | 87% |
| Wednesday | 61°F | Chance Rain Showers then Mostly Cloudy | 10 to 14 mph SW | 12% |
| Wednesday Night | 41°F | Partly Cloudy | 8 mph SW | 0% |
| Thursday | 62°F | Mostly Sunny | 7 to 12 mph W | 6% |
| Thursday Night | 40°F | Mostly Cloudy then Slight Chance T-storms | 6 mph NW | 21% |
| Friday | 57°F | Mostly Cloudy | 6 to 9 mph N | 7% |
| Friday Night | 35°F | Mostly Cloudy | 2 to 7 mph N | 1% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 2 mph W | 1% |
| Sunday | 61°F | Sunny | 2 to 7 mph W | 7% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 4% |
| Monday | 66°F | Sunny | 3 to 8 mph SW | 2% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Roodhouse (39.484, -90.374). Updated through the day.
Growing snapshot for Roodhouse
Last spring frost
Apr 13
First fall frost
Oct 22
Growing season
190 days
Hardiness zone
6a
More local growing data for Roodhouse: nearby ZIP 62082 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, White Hall 1 E, Il (4.7 mi from Roodhouse). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.