Rubicon, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rubicon, a community in Dodge County, Wisconsin.
This Afternoon
69°F
Light Rain
Rain. Cloudy, with a high near 69. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rubicon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Light Rain | 15 mph S | 97% |
| Tonight | 57°F | Light Rain | 10 to 15 mph S | 94% |
| Wednesday | 62°F | Light Rain | 10 to 15 mph S | 88% |
| Wednesday Night | 46°F | Light Rain Likely | 10 mph SW | 67% |
| Thursday | 53°F | Light Rain | 5 to 10 mph W | 80% |
| Thursday Night | 38°F | Chance Light Rain | 5 to 10 mph N | 50% |
| Friday | 48°F | Slight Chance Light Rain then Partly Sunny | 5 to 15 mph N | 22% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 3% |
| Saturday | 50°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 8% |
| Sunday | 56°F | Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 4% |
| Monday | 58°F | Mostly Sunny | 5 to 15 mph SW | 2% |
| Monday Night | 38°F | Partly Cloudy | 5 to 10 mph W | 1% |
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
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Lowell
Mayville
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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 Nov 3, 2026.