Fond du Lac, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fond du Lac, a city in Fond Du Lac County, Wisconsin.
This Afternoon
75°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Cloudy, with a high near 75. West wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fond du Lac
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance Showers And Thunderstorms | 5 mph W | 23% |
| Tonight | 59°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 0 to 5 mph SW | 19% |
| Thursday | 79°F | Patchy Fog then Mostly Sunny | 0 to 5 mph E | 0% |
| Thursday Night | 60°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Friday | 83°F | Mostly Sunny | 0 to 10 mph SW | 9% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 34% |
| Saturday | 81°F | Sunny | 5 to 10 mph W | 7% |
| Saturday Night | 63°F | Mostly Clear then Chance Showers And Thunderstorms | 5 mph SW | 36% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 36% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph NW | 44% |
| Monday | 80°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 51% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 5 mph NW | 43% |
| Tuesday | 79°F | Chance Rain Showers | 0 to 5 mph N | 38% |
| Tuesday Night | 60°F | Partly Cloudy | 0 to 5 mph SW | 14% |
Forecast source: National Weather Service (api.weather.gov) for Fond du Lac (43.772, -88.440). Updated through the day.
Growing snapshot for Fond du Lac
Last spring frost
May 1
First fall frost
Oct 12
Growing season
162 days
Hardiness zone
5b
More local growing data for Fond du Lac: nearby ZIP 54935 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Alto
Brandon
Brothertown
Campbellsport
Eden
Fairwater
Mount Calvary
North Fond du Lac
Oakfield
Ripon
Rosendale
St. Cloud
St. Peter
Taycheedah
Van Dyne
Waupun
Climate data from the nearest NOAA station, Fond Du Lac Wwtp, Wi (1.7 mi from Fond du Lac). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 6, 2026.