Kewaunee, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kewaunee, a city in Kewaunee County, Wisconsin.
Overnight
54°F
Rain Showers
Rain showers and areas of fog. Cloudy. Low around 54, with temperatures rising to around 56 overnight. South southeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Kewaunee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Rain Showers | 14 mph SSE | 97% |
| Wednesday | 61°F | Rain Showers | 13 to 16 mph S | 80% |
| Wednesday Night | 44°F | Chance Rain Showers | 13 mph SW | 48% |
| Thursday | 53°F | Rain Showers Likely | 9 to 18 mph WNW | 55% |
| Thursday Night | 35°F | Chance Rain Showers | 18 mph N | 54% |
| Friday | 46°F | Chance Rain Showers | 13 to 18 mph N | 39% |
| Friday Night | 33°F | Mostly Cloudy | 6 to 12 mph N | 2% |
| Saturday | 48°F | Mostly Sunny | 7 mph NW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 5 to 10 mph W | 4% |
| Sunday | 53°F | Mostly Sunny | 10 to 14 mph W | 9% |
| Sunday Night | 35°F | Mostly Clear | 6 to 10 mph W | 1% |
| Monday | 55°F | Mostly Sunny | 6 to 13 mph WSW | 0% |
| Monday Night | 39°F | Partly Cloudy | 12 mph W | 3% |
| Tuesday | 54°F | Mostly Sunny | 7 to 12 mph WNW | 8% |
Forecast source: National Weather Service (api.weather.gov) for Kewaunee (44.464, -87.522). Updated through the day.
Growing snapshot for Kewaunee
Last spring frost
May 1
First fall frost
Oct 18
Growing season
168 days
Hardiness zone
5b
More local growing data for Kewaunee: nearby ZIP 54216 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kewaunee, Wi (3.6 mi from Kewaunee). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.