Mount Horeb, WI Weather & Growing Conditions
This Afternoon
68°F
Light Rain Likely
Rain likely before 3pm, then rain likely and a slight chance of thunderstorms. Cloudy, with a high near 68. South wind around 15 mph, with gusts as high as 35 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 | 68°F | Light Rain Likely | 15 mph S | 67% |
| Tonight | 54°F | Light Rain | 10 to 15 mph S | 87% |
| Wednesday | 58°F | Light Rain | 10 to 15 mph SW | 75% |
| Wednesday Night | 46°F | Chance Light Rain | 10 to 15 mph SW | 50% |
| Thursday | 53°F | Light Rain | 5 to 10 mph W | 80% |
| Thursday Night | 40°F | Slight Chance Light Rain then Mostly Cloudy | 10 mph N | 24% |
| Friday | 48°F | Slight Chance Light Rain then Partly Sunny | 5 to 10 mph N | 16% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 35°F | Partly Cloudy | 5 mph W | 4% |
| Sunday | 58°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 4% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mount Horeb, WI
Last spring frost
May 7
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
5a
Explore more for Mount Horeb, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Mazomanie Wwtp, Wi (14.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.