Hortonville, WI Weather & Growing Conditions
This Afternoon
62°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a high near 62. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Showers And Thunderstorms Likely | 10 mph E | 70% |
| Tonight | 54°F | Chance Showers And Thunderstorms then Cloudy | 9 mph NE | 49% |
| Sunday | 67°F | Partly Sunny | 10 to 15 mph NE | 3% |
| Sunday Night | 48°F | Mostly Cloudy | 9 to 13 mph NE | 0% |
| Monday | 61°F | Partly Sunny | 9 to 13 mph NE | 0% |
| Monday Night | 46°F | Mostly Cloudy | 7 to 10 mph NE | 4% |
| Tuesday | 61°F | Partly Sunny | 7 to 12 mph ENE | 4% |
| Tuesday Night | 46°F | Partly Cloudy | 7 mph NE | 3% |
| Wednesday | 64°F | Mostly Sunny | 6 to 10 mph NE | 3% |
| Wednesday Night | 48°F | Partly Cloudy | 2 to 6 mph NE | 2% |
| Thursday | 67°F | Mostly Sunny | 5 mph ENE | 7% |
| Thursday Night | 50°F | Mostly Cloudy | 3 mph NE | 7% |
| Friday | 71°F | Partly Sunny | 2 mph NE | 4% |
| Friday Night | 50°F | Partly Cloudy | 1 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hortonville, WI
Last spring frost
May 4
First fall frost
Oct 6
Growing season
153 days
Hardiness zone
5a
Explore more for Hortonville, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, New London, Wi (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.