Campbellsport, WI Weather & Growing Conditions
Tonight
58°F
Light Rain
Rain. Cloudy, with a low around 58. South wind 5 to 10 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 | 58°F | Light Rain | 5 to 10 mph S | 84% |
| Wednesday | 61°F | Chance Light Rain | 10 to 15 mph S | 50% |
| Wednesday Night | 46°F | Cloudy then Chance Light Rain | 15 mph SW | 36% |
| Thursday | 53°F | Light Rain Likely | 10 to 15 mph W | 62% |
| Thursday Night | 37°F | Chance Light Rain | 5 to 15 mph N | 53% |
| Friday | 48°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 25% |
| Friday Night | 32°F | Mostly Cloudy | 0 to 5 mph N | 3% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Sunday | 56°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 5% |
| Monday | 58°F | Mostly Sunny | 5 to 15 mph SW | 2% |
| Monday Night | 39°F | Partly Cloudy | 5 to 10 mph W | 1% |
| Tuesday | 58°F | Sunny | 5 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Campbellsport, WI
Last spring frost
Apr 27
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
5a
Explore more for Campbellsport, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Fond Du Lac 2 Sw, Wi (14.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.