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.
Today
64°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 64, with temperatures falling to around 56 in the afternoon. South wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fond du Lac
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Chance Rain Showers | 10 to 15 mph S | 39% |
| Tonight | 46°F | Rain Showers Likely | 10 to 15 mph SW | 66% |
| Thursday | 54°F | Rain Showers then Chance Light Rain | 10 to 15 mph W | 76% |
| Thursday Night | 36°F | Slight Chance Light Rain then Mostly Cloudy | 15 mph N | 23% |
| Friday | 47°F | Slight Chance Light Rain then Partly Sunny | 10 to 15 mph N | 21% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 55°F | Sunny | 5 to 15 mph W | 9% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 1% |
| Monday | 59°F | Mostly Sunny | 5 to 15 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 58°F | Mostly Sunny | 5 to 10 mph NW | 3% |
| Tuesday Night | 37°F | Slight Chance Light Rain then Partly Cloudy | 0 to 5 mph NW | 15% |
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 Nov 4, 2026.