Kewaunee, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kewaunee, a city in Kewaunee County, Wisconsin.
Overnight
56°F
Rain Showers Likely
Rain showers likely. Cloudy, with a low around 56. Southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Kewaunee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Rain Showers Likely | 10 mph SE | 63% |
| Saturday | 63°F | Rain Showers Likely | 10 to 14 mph ESE | 71% |
| Saturday Night | 54°F | Rain Showers Likely | 12 mph ENE | 63% |
| Sunday | 65°F | Mostly Sunny | 13 to 17 mph NNE | 10% |
| Sunday Night | 50°F | Mostly Cloudy | 12 to 16 mph NE | 0% |
| Monday | 61°F | Mostly Cloudy | 13 to 16 mph ENE | 1% |
| Monday Night | 49°F | Mostly Cloudy | 10 to 15 mph ENE | 1% |
| Tuesday | 62°F | Mostly Sunny | 10 to 15 mph ENE | 1% |
| Tuesday Night | 49°F | Partly Cloudy | 9 to 14 mph ENE | 3% |
| Wednesday | 62°F | Mostly Sunny | 9 to 13 mph NE | 4% |
| Wednesday Night | 50°F | Partly Cloudy | 6 to 10 mph NE | 2% |
| Thursday | 63°F | Mostly Sunny | 6 to 9 mph NE | 1% |
| Thursday Night | 51°F | Partly Cloudy | 7 mph NE | 2% |
| Friday | 66°F | Mostly Sunny | 5 to 8 mph NE | 2% |
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 Sep 19, 2026.