Fountain City, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fountain City, a city in Buffalo County, Wisconsin.
Overnight
67°F
Mostly Cloudy
Mostly cloudy. Low around 67, with temperatures rising to around 69 overnight. South wind around 8 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fountain City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Mostly Cloudy | 8 mph S | 10% |
| Tuesday | 77°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph W | 46% |
| Tuesday Night | 58°F | Chance Rain Showers then Mostly Cloudy | 3 to 7 mph NW | 45% |
| Wednesday | 77°F | Mostly Sunny | 5 mph NW | 1% |
| Wednesday Night | 56°F | Mostly Clear | 3 mph W | 0% |
| Thursday | 81°F | Sunny | 1 to 6 mph SW | 0% |
| Thursday Night | 61°F | Mostly Clear | 5 mph S | 1% |
| Friday | 84°F | Sunny | 3 to 10 mph SW | 9% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 20% |
| Saturday | 84°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 8 mph SW | 20% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 7 mph SW | 41% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 41% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 6 mph S | 39% |
| Monday | 83°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph E | 39% |
Forecast source: National Weather Service (api.weather.gov) for Fountain City (44.119, -91.690). Updated through the day.
Growing snapshot for Fountain City
Last spring frost
May 5
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
4b
More local growing data for Fountain City: nearby ZIP 54629 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dodge, Wi (5.2 mi from Fountain City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.