Fountain City, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fountain City, a city in Buffalo County, Wisconsin.
This Afternoon
62°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 62. East wind 6 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Fountain City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Showers And Thunderstorms | 6 to 12 mph E | 82% |
| Tonight | 56°F | Showers And Thunderstorms | 12 to 16 mph E | 89% |
| Saturday | 64°F | Showers And Thunderstorms Likely | 7 to 10 mph E | 66% |
| Saturday Night | 54°F | Rain Showers Likely | 9 mph NE | 57% |
| Sunday | 66°F | Partly Sunny | 10 mph NE | 8% |
| Sunday Night | 49°F | Mostly Cloudy | 6 to 9 mph NE | 6% |
| Monday | 61°F | Mostly Cloudy then Slight Chance Rain Showers | 9 mph E | 24% |
| Monday Night | 45°F | Slight Chance Rain Showers | 7 mph NE | 24% |
| Tuesday | 61°F | Mostly Sunny | 7 mph E | 11% |
| Tuesday Night | 44°F | Partly Cloudy | 3 mph E | 4% |
| Wednesday | 64°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 1 mph SE | 5% |
| Thursday | 67°F | Mostly Sunny | 3 mph S | 8% |
| Thursday Night | 51°F | Partly Cloudy | 1 mph S | 7% |
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 Sep 18, 2026.