Kewaunee, WI Weather & Growing Conditions
Tonight
56°F
Rain Showers
Rain showers and areas of fog. Cloudy, with a low around 56. South southeast wind around 14 mph, with gusts as high as 23 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 | 56°F | Rain Showers | 14 mph SSE | 78% |
| Wednesday | 62°F | Rain Showers | 16 mph S | 82% |
| Wednesday Night | 46°F | Cloudy then Rain Showers Likely | 14 mph SW | 59% |
| Thursday | 54°F | Rain Showers | 9 to 13 mph W | 89% |
| Thursday Night | 36°F | Rain Showers Likely | 15 to 18 mph N | 59% |
| Friday | 47°F | Chance Rain Showers | 14 to 18 mph N | 34% |
| Friday Night | 33°F | Mostly Cloudy | 5 to 12 mph N | 8% |
| Saturday | 50°F | Mostly Sunny | 7 mph WNW | 4% |
| Saturday Night | 34°F | Partly Cloudy | 3 to 7 mph WSW | 8% |
| Sunday | 55°F | Mostly Sunny | 7 to 12 mph W | 13% |
| Sunday Night | 34°F | Partly Cloudy | 9 mph WNW | 8% |
| Monday | 56°F | Mostly Sunny | 7 to 13 mph WSW | 3% |
| Monday Night | 38°F | Partly Cloudy | 10 mph W | 1% |
| Tuesday | 55°F | Mostly Sunny | 8 to 12 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Kewaunee, WI
Last spring frost
May 1
First fall frost
Oct 18
Growing season
168 days
Hardiness zone
5b
Explore more for Kewaunee, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Kewaunee, Wi (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.