Ellison Bay, WI Weather & Growing Conditions
Today
79°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms. Partly sunny. High near 79, with temperatures falling to around 76 in the afternoon. Heat index values as high as 78. South southwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 13 mph SSW | 49% |
| Tonight | 60°F | Showers And Thunderstorms Likely | 3 to 9 mph NE | 57% |
| Wednesday | 76°F | Chance Rain Showers then Partly Sunny | 2 to 6 mph ENE | 25% |
| Wednesday Night | 63°F | Partly Cloudy | 5 mph S | 0% |
| Thursday | 78°F | Sunny | 2 to 10 mph SSW | 0% |
| Thursday Night | 64°F | Mostly Clear | 5 to 9 mph SSW | 0% |
| Friday | 79°F | Sunny | 5 to 13 mph SSW | 3% |
| Friday Night | 65°F | Slight Chance Rain Showers | 7 to 13 mph SSW | 16% |
| Saturday | 78°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 to 10 mph SSW | 28% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 42% |
| Sunday | 77°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 42% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 7 mph WSW | 33% |
| Monday | 77°F | Slight Chance Rain Showers | 7 mph WSW | 24% |
| Monday Night | 63°F | Chance Rain Showers | 5 mph NE | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ellison Bay, WI
Last spring frost
May 15
First fall frost
Oct 14
Growing season
152 days
Hardiness zone
6a
Explore more for Ellison Bay, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Washington Is, Wi (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.