Rome, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rome, a community in Jefferson County, Wisconsin.
Tonight
61°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 61. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Rome
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Showers And Thunderstorms | 5 to 10 mph NE | 81% |
| Sunday | 65°F | Chance Showers And Thunderstorms then Mostly Cloudy | 10 to 15 mph NE | 54% |
| Sunday Night | 54°F | Mostly Cloudy | 10 to 15 mph NE | 3% |
| Monday | 63°F | Mostly Cloudy | 10 to 15 mph NE | 11% |
| Monday Night | 48°F | Mostly Cloudy then Chance Rain Showers | 5 to 10 mph NE | 26% |
| Tuesday | 61°F | Chance Rain Showers | 5 to 15 mph NE | 26% |
| Tuesday Night | 47°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Wednesday | 63°F | Partly Sunny | 5 to 10 mph NE | 6% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 66°F | Partly Sunny | 0 to 5 mph NE | 6% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NE | 6% |
| Friday | 70°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Saturday | 71°F | Mostly Sunny | 0 to 5 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov) for Rome (42.985, -88.650). Updated through the day.
Growing snapshot for Rome
Last spring frost
May 3
First fall frost
Oct 9
Growing season
157 days
Hardiness zone
5b
More local growing data for Rome: nearby ZIP 53137 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Fort Atkinson
Hebron
Helenville
Ixonia
Jefferson
Johnson Creek
Lake Mills
Palmyra
Sullivan
Waterloo
Watertown
Climate data from the nearest NOAA station, Sullivan 3Se, Wi (6.6 mi from Rome). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.