Mount Sterling, WI Weather & Growing Conditions
Overnight
59°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 59. East wind around 13 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Showers And Thunderstorms | 13 mph E | 98% |
| Saturday | 69°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 10 mph SE | 88% |
| Saturday Night | 56°F | Showers And Thunderstorms Likely | 6 to 12 mph NE | 70% |
| Sunday | 69°F | Partly Sunny | 12 to 15 mph NE | 10% |
| Sunday Night | 50°F | Mostly Cloudy | 12 mph NE | 11% |
| Monday | 64°F | Slight Chance Rain Showers | 12 mph NE | 17% |
| Monday Night | 45°F | Mostly Cloudy | 5 to 9 mph NE | 12% |
| Tuesday | 62°F | Mostly Sunny | 5 to 9 mph NE | 7% |
| Tuesday Night | 43°F | Mostly Clear | 2 to 6 mph NE | 2% |
| Wednesday | 66°F | Sunny | 6 mph NE | 2% |
| Wednesday Night | 47°F | Mostly Clear | 3 mph E | 2% |
| Thursday | 68°F | Mostly Sunny | 1 to 5 mph E | 5% |
| Thursday Night | 49°F | Partly Cloudy | 2 mph NE | 2% |
| Friday | 71°F | Mostly Sunny | 1 to 5 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mount Sterling, WI
Last spring frost
May 3
First fall frost
Oct 7
Growing season
156 days
Hardiness zone
5a
Explore more for Mount Sterling, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Gays Mills, Wi (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.