Ephraim, WI Weather & Growing Conditions
Today
78°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 78, with temperatures falling to around 75 in the afternoon. Heat index values as high as 77. South southwest wind 9 to 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 | 78°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 9 to 13 mph SSW | 47% |
| Tonight | 61°F | Chance Showers And Thunderstorms | 5 to 8 mph ENE | 52% |
| Wednesday | 74°F | Chance Rain Showers then Partly Sunny | 5 mph NE | 25% |
| Wednesday Night | 61°F | Partly Cloudy | 6 mph S | 2% |
| Thursday | 77°F | Sunny | 3 to 8 mph S | 0% |
| Thursday Night | 63°F | Mostly Clear | 8 mph SSW | 0% |
| Friday | 78°F | Sunny | 6 to 14 mph SSW | 3% |
| Friday Night | 65°F | Slight Chance Rain Showers | 8 to 13 mph SSW | 15% |
| Saturday | 79°F | Mostly Sunny then Chance Showers And Thunderstorms | 9 mph SW | 27% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 44% |
| Sunday | 78°F | Chance Showers And Thunderstorms | 8 mph SW | 44% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 5 to 8 mph WSW | 32% |
| Monday | 77°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph WSW | 24% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 5 mph NE | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ephraim, WI
Last spring frost
May 14
First fall frost
Oct 18
Growing season
155 days
Hardiness zone
5b
Explore more for Ephraim, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Ephraim 1Ne-Wwtp, Wi (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.