Horicon, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Horicon, a city in Dodge County, Wisconsin.
Overnight
56°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 56. Northeast wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Horicon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Showers And Thunderstorms | 5 mph NE | 99% |
| Saturday | 66°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph E | 93% |
| Saturday Night | 57°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 74% |
| Sunday | 65°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 26% |
| Sunday Night | 49°F | Mostly Cloudy | 10 to 15 mph NE | 2% |
| Monday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 4% |
| Monday Night | 45°F | Mostly Cloudy | 5 to 10 mph NE | 3% |
| Tuesday | 61°F | Partly Sunny | 5 to 15 mph NE | 4% |
| Tuesday Night | 45°F | Partly Cloudy | 5 to 10 mph NE | 3% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 67°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Horicon (43.445, -88.640). Updated through the day.
Growing snapshot for Horicon
Last spring frost
May 1
First fall frost
Oct 10
Growing season
158 days
Hardiness zone
5a
More local growing data for Horicon: nearby ZIP 53032 weather · frost dates · planting calendar · Wisconsin frost dates
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Climate data from the nearest NOAA station, Horicon Wwtp, Wi (0.7 mi from Horicon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.