Fond du Lac, WI Weather & Growing Conditions
Tonight
56°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 56. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Showers And Thunderstorms | 10 to 15 mph E | 99% |
| Saturday | 65°F | Showers And Thunderstorms | 10 to 15 mph SE | 94% |
| Saturday Night | 55°F | Showers And Thunderstorms | 10 mph NE | 77% |
| Sunday | 66°F | Chance Rain Showers then Partly Sunny | 15 mph NE | 26% |
| Sunday Night | 50°F | Mostly Cloudy | 10 to 15 mph NE | 1% |
| Monday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 10% |
| Monday Night | 47°F | Mostly Cloudy | 10 to 15 mph NE | 10% |
| Tuesday | 61°F | Partly Sunny | 10 to 15 mph NE | 10% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 8% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 8% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fond du Lac, WI
Last spring frost
Apr 27
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
5b
Explore more for Fond du Lac, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Fond Du Lac 2 Sw, Wi (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.