Fountain City, WI Weather & Growing Conditions
Tonight
56°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 56. East wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Showers And Thunderstorms | 13 to 16 mph E | 91% |
| Saturday | 62°F | Showers And Thunderstorms Likely | 7 to 12 mph E | 73% |
| Saturday Night | 54°F | Slight Chance Showers And Thunderstorms then Cloudy | 10 mph NE | 21% |
| Sunday | 66°F | Partly Sunny | 12 mph NE | 7% |
| Sunday Night | 49°F | Mostly Cloudy | 7 to 10 mph NE | 6% |
| Monday | 62°F | Mostly Cloudy then Slight Chance Rain Showers | 9 mph E | 21% |
| Monday Night | 44°F | Slight Chance Rain Showers then Mostly Cloudy | 7 mph NE | 21% |
| Tuesday | 61°F | Partly Sunny | 7 mph E | 11% |
| Tuesday Night | 43°F | Partly Cloudy | 3 mph E | 4% |
| Wednesday | 64°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 2 mph SE | 6% |
| Thursday | 67°F | Mostly Sunny | 3 mph S | 7% |
| Thursday Night | 50°F | Partly Cloudy | 1 mph S | 7% |
| Friday | 69°F | Mostly Sunny | 1 to 5 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fountain City, WI
Last spring frost
May 5
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
4b
Explore more for Fountain City, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Dodge, Wi (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.