Kieler, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kieler, a community in Grant County, Wisconsin.
Tonight
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 9pm and 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 64. East wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Kieler
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Chance Showers And Thunderstorms | 10 to 14 mph E | 82% |
| Saturday | 77°F | Showers And Thunderstorms | 7 to 12 mph SE | 76% |
| Saturday Night | 61°F | Showers And Thunderstorms | 6 to 13 mph N | 80% |
| Sunday | 67°F | Chance Rain Showers | 13 to 16 mph NE | 52% |
| Sunday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 15 mph NE | 39% |
| Monday | 63°F | Chance Rain Showers | 16 mph NE | 44% |
| Monday Night | 51°F | Chance Rain Showers | 9 to 14 mph NE | 44% |
| Tuesday | 62°F | Chance Rain Showers | 9 to 13 mph NE | 37% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 8 mph NE | 8% |
| Wednesday | 66°F | Mostly Sunny | 5 to 8 mph NE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 68°F | Mostly Sunny | 5 mph NE | 5% |
| Thursday Night | 53°F | Partly Cloudy | 2 mph NE | 5% |
| Friday | 69°F | Mostly Sunny | 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Kieler (42.582, -90.605). Updated through the day.
Growing snapshot for Kieler
Last spring frost
Apr 19
First fall frost
Oct 21
Growing season
184 days
Hardiness zone
5a
More local growing data for Kieler: nearby ZIP 53812 weather · frost dates · planting calendar · Wisconsin frost dates
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Climate data from the nearest NOAA station, Dubuque L&D 11, Ia (3.6 mi from Kieler). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.