Rome, IL Weather & Growing Conditions
Tonight
55°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 55. South wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Showers And Thunderstorms | 13 to 16 mph S | 95% |
| Wednesday | 58°F | Slight Chance Light Rain then Mostly Cloudy | 14 mph SW | 24% |
| Wednesday Night | 48°F | Mostly Cloudy | 12 mph SW | 8% |
| Thursday | 57°F | Mostly Cloudy | 7 to 13 mph WSW | 13% |
| Thursday Night | 45°F | Chance Light Rain | 6 mph NW | 31% |
| Friday | 52°F | Slight Chance Light Rain | 9 mph N | 19% |
| Friday Night | 37°F | Partly Cloudy | 0 to 6 mph N | 3% |
| Saturday | 51°F | Mostly Sunny | 2 mph WNW | 2% |
| Saturday Night | 37°F | Partly Cloudy | 2 mph WNW | 3% |
| Sunday | 57°F | Sunny | 2 to 7 mph W | 14% |
| Sunday Night | 38°F | Mostly Clear | 1 to 5 mph W | 4% |
| Monday | 62°F | Sunny | 1 to 9 mph SW | 2% |
| Monday Night | 42°F | Mostly Clear | 2 to 7 mph WSW | 1% |
| Tuesday | 63°F | Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rome, IL
Last spring frost
Apr 20
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
6a
Explore more for Rome, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Lacon, Il (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.