Delafield, WI Weather & Growing Conditions
Today
62°F
Cloudy then Isolated Rain Showers
Isolated rain showers after noon. Cloudy. High near 62, with temperatures falling to around 54 in the afternoon. Southwest wind around 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Cloudy then Isolated Rain Showers | 15 mph SW | 15% |
| Tonight | 45°F | Chance Rain Showers | 15 mph SW | 33% |
| Thursday | 53°F | Rain Showers Likely then Chance Light Rain | 10 to 15 mph W | 57% |
| Thursday Night | 39°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 29% |
| Friday | 47°F | Mostly Cloudy | 10 to 15 mph N | 8% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 48°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 54°F | Sunny | 5 to 10 mph W | 7% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph W | 1% |
| Monday | 58°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 1% |
| Tuesday | 58°F | Sunny | 5 to 10 mph NW | 2% |
| Tuesday Night | 39°F | Partly Cloudy | 0 to 5 mph NW | 1% |
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 Nov 4, 2026.