Chelsea, WI Weather & Growing Conditions
This Afternoon
64°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 64, with temperatures falling to around 62 in the afternoon. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Showers And Thunderstorms Likely | 7 mph S | 65% |
| Tonight | 56°F | Rain Showers | 6 mph SE | 82% |
| Wednesday | 60°F | Rain Showers | 8 mph S | 83% |
| Wednesday Night | 43°F | Rain Showers | 6 mph W | 75% |
| Thursday | 46°F | Rain Showers | 6 to 14 mph N | 82% |
| Thursday Night | 32°F | Mostly Cloudy | 6 to 14 mph N | 11% |
| Friday | 44°F | Partly Sunny | 1 to 7 mph N | 1% |
| Friday Night | 26°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 47°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 2 mph W | 13% |
| Sunday | 52°F | Slight Chance Rain Showers then Mostly Sunny | 2 to 7 mph W | 15% |
| Sunday Night | 32°F | Partly Cloudy | 3 mph SW | 3% |
| Monday | 53°F | Mostly Sunny | 2 to 9 mph SW | 0% |
| Monday Night | 35°F | Partly Cloudy | 6 mph W | 0% |
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 Nov 4, 2026.