Fond du Lac, WI Weather & Growing Conditions
Tonight
59°F
Light Rain
Rain. Cloudy, with a low around 59. South wind around 15 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Light Rain | 15 mph S | 84% |
| Wednesday | 63°F | Chance Light Rain | 15 mph S | 47% |
| Wednesday Night | 47°F | Cloudy then Chance Light Rain | 15 mph SW | 40% |
| Thursday | 53°F | Light Rain Likely | 10 to 15 mph W | 58% |
| Thursday Night | 38°F | Chance Light Rain | 10 to 15 mph N | 48% |
| Friday | 49°F | Slight Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 23% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 3% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 35°F | Mostly Clear | 5 to 10 mph W | 5% |
| Monday | 59°F | Mostly Sunny | 5 to 15 mph SW | 2% |
| Monday Night | 39°F | Partly Cloudy | 10 mph W | 1% |
| Tuesday | 59°F | Sunny | 10 mph W | 0% |
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 Nov 4, 2026.