Mayville, WI Weather & Growing Conditions
Tonight
56°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 56. East wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Showers And Thunderstorms | 10 to 15 mph E | 99% |
| Saturday | 67°F | Showers And Thunderstorms | 5 to 15 mph SE | 94% |
| Saturday Night | 56°F | Showers And Thunderstorms | 5 to 10 mph NE | 78% |
| Sunday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 29% |
| Sunday Night | 50°F | Mostly Cloudy | 10 to 15 mph NE | 2% |
| Monday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 11% |
| Monday Night | 46°F | Mostly Cloudy | 5 to 10 mph NE | 12% |
| Tuesday | 61°F | Partly Sunny | 5 to 15 mph NE | 12% |
| Tuesday Night | 45°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 6% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 2% |
| Thursday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mayville, WI
Last spring frost
May 1
First fall frost
Oct 10
Growing season
158 days
Hardiness zone
5a
Explore more for Mayville, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Horicon Wwtp, Wi (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.