Delafield, WI Weather & Growing Conditions
This Afternoon
65°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 65. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Chance Showers And Thunderstorms | 5 mph E | 65% |
| Tonight | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph E | 82% |
| Sunday | 64°F | Scattered Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 52% |
| Sunday Night | 54°F | Mostly Cloudy | 10 to 15 mph NE | 4% |
| Monday | 61°F | Mostly Cloudy | 10 to 15 mph NE | 7% |
| Monday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph NE | 20% |
| Tuesday | 59°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 61°F | Partly Sunny | 5 to 10 mph NE | 7% |
| Wednesday Night | 51°F | Mostly Cloudy | 0 to 10 mph NE | 4% |
| Thursday | 65°F | Partly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 53°F | Mostly Cloudy | 0 to 5 mph NE | 7% |
| Friday | 68°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Friday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Delafield, WI
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
164 days
Hardiness zone
5b
Explore more for Delafield, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Oconomowoc Wwtp, Wi (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.