Hortonville, WI Weather & Growing Conditions
Today
64°F
Rain Showers Likely
Rain showers likely and patchy fog. Mostly cloudy. High near 64, with temperatures falling to around 57 in the afternoon. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Rain Showers Likely | 9 to 14 mph S | 55% |
| Tonight | 46°F | Rain Showers Likely | 9 to 13 mph SW | 60% |
| Thursday | 53°F | Rain Showers Likely | 8 to 12 mph WNW | 70% |
| Thursday Night | 36°F | Mostly Cloudy | 13 mph N | 7% |
| Friday | 46°F | Slight Chance Rain Showers then Partly Sunny | 5 to 13 mph N | 15% |
| Friday Night | 28°F | Partly Cloudy | 3 mph NNW | 0% |
| Saturday | 49°F | Sunny | 1 to 5 mph WNW | 0% |
| Saturday Night | 33°F | Mostly Clear | 2 to 7 mph W | 4% |
| Sunday | 55°F | Sunny | 7 to 10 mph W | 8% |
| Sunday Night | 34°F | Mostly Clear | 3 to 7 mph W | 0% |
| Monday | 58°F | Mostly Sunny | 3 to 9 mph SW | 0% |
| Monday Night | 39°F | Partly Cloudy | 8 mph W | 1% |
| Tuesday | 58°F | Sunny | 5 to 8 mph WNW | 5% |
| Tuesday Night | 36°F | Partly Cloudy | 3 mph NW | 1% |
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 Nov 4, 2026.