Chelsea, WI Weather & Growing Conditions
Today
77°F
Scattered Showers And Thunderstorms then Mostly Cloudy
Scattered showers and thunderstorms before 10am. Mostly cloudy, with a high near 77. West wind around 7 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 | 77°F | Scattered Showers And Thunderstorms then Mostly Cloudy | 7 mph W | 50% |
| Tonight | 53°F | Mostly Cloudy | 0 to 5 mph W | 5% |
| Wednesday | 76°F | Sunny | 0 to 5 mph NW | 1% |
| Wednesday Night | 52°F | Mostly Clear | 0 to 3 mph S | 0% |
| Thursday | 81°F | Sunny | 1 to 7 mph SW | 1% |
| Thursday Night | 59°F | Mostly Clear | 6 mph SW | 1% |
| Friday | 84°F | Sunny | 3 to 9 mph SW | 12% |
| Friday Night | 61°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 35% |
| Saturday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 15% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 5 mph W | 51% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 2 to 6 mph W | 46% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 27% |
| Monday | 79°F | Chance Rain Showers | 3 mph S | 26% |
| Monday Night | 58°F | Chance Showers And Thunderstorms | 3 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chelsea, WI
Last spring frost
May 11
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
4a
Explore more for Chelsea, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Medford, Wi (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.