Mount Horeb, WI Weather & Growing Conditions
Today
81°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Southwest wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Partly Sunny then Chance Showers And Thunderstorms | 10 mph SW | 30% |
| Tonight | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph NW | 78% |
| Wednesday | 75°F | Areas Of Fog | 5 mph NW | 51% |
| Wednesday Night | 57°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 21% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 0 mph | 15% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 2% |
| Friday | 81°F | Sunny | 0 to 5 mph S | 3% |
| Friday Night | 63°F | Mostly Clear | 5 mph SW | 6% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 10 mph SW | 29% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 48% |
| Monday | 83°F | Chance Rain Showers | 5 to 10 mph S | 48% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 40% |
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 Aug 4, 2026.