Rubicon, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rubicon, a community in Dodge County, Wisconsin.
Overnight
60°F
Mostly Clear
Mostly clear, with a low around 60. South wind around 5 mph.
7-day forecast for Rubicon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Tuesday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph W | 87% |
| Wednesday | 75°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 56% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 0 mph | 27% |
| Thursday | 78°F | Mostly Sunny | 0 mph | 10% |
| Thursday Night | 58°F | Mostly Clear | 0 mph | 8% |
| Friday | 81°F | Sunny | 0 to 5 mph SW | 1% |
| Friday Night | 61°F | Mostly Clear | 5 mph SW | 6% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Sunday | 84°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Sunday Night | 64°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 51% |
| Monday | 82°F | Chance Rain Showers | 5 mph S | 40% |
Forecast source: National Weather Service (api.weather.gov) for Rubicon (43.337, -88.453). Updated through the day.
Growing snapshot for Rubicon
Last spring frost
May 8
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
5a
More local growing data for Rubicon: nearby ZIP 53078 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Ashippun
Beaver Dam
Brownsville
Burnett
Clyman
Fox Lake
Horicon
Hustisford
Iron Ridge
Juneau
Kekoskee
Lebanon
Lomira
Lowell
Mayville
Neosho
Reeseville
Theresa
Climate data from the nearest NOAA station, Hartford Wwtp, Wi (2.9 mi from Rubicon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.