Fountain City, WI Weather & Growing Conditions
Today
77°F
Isolated Rain Showers
Isolated rain showers. Mostly cloudy. High near 77, with temperatures falling to around 74 in the afternoon. West wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Isolated Rain Showers | 9 mph W | 19% |
| Tonight | 58°F | Isolated Rain Showers then Mostly Cloudy | 3 to 7 mph NW | 23% |
| Wednesday | 77°F | Mostly Sunny | 5 mph NW | 1% |
| Wednesday Night | 56°F | Mostly Clear | 3 mph W | 0% |
| Thursday | 82°F | Sunny | 1 to 7 mph SW | 0% |
| Thursday Night | 61°F | Mostly Clear | 6 mph S | 1% |
| Friday | 84°F | Sunny | 3 to 10 mph SW | 10% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 21% |
| Saturday | 84°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 8 mph SW | 21% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 7 mph W | 42% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 42% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 6 mph SE | 38% |
| Monday | 82°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph E | 38% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 mph N | 26% |
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 Aug 4, 2026.