Dorchester, WI Weather & Growing Conditions
Tonight
49°F
Rain Showers
Rain showers before 1am, then showers and thunderstorms. Cloudy, with a low around 49. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Rain Showers | 10 to 15 mph E | 81% |
| Saturday | 61°F | Rain Showers Likely | 10 to 14 mph E | 64% |
| Saturday Night | 48°F | Chance Rain Showers then Cloudy | 12 mph NE | 50% |
| Sunday | 67°F | Partly Sunny | 8 to 12 mph NE | 6% |
| Sunday Night | 41°F | Mostly Cloudy | 8 mph NE | 1% |
| Monday | 61°F | Mostly Cloudy | 7 to 10 mph E | 2% |
| Monday Night | 38°F | Mostly Cloudy | 6 mph E | 2% |
| Tuesday | 61°F | Mostly Sunny | 8 mph E | 4% |
| Tuesday Night | 39°F | Partly Cloudy | 5 mph E | 3% |
| Wednesday | 64°F | Mostly Sunny | 6 mph E | 2% |
| Wednesday Night | 42°F | Partly Cloudy | 2 mph SE | 2% |
| Thursday | 67°F | Mostly Sunny | 3 mph S | 10% |
| Thursday Night | 45°F | Partly Cloudy | 2 mph SW | 9% |
| Friday | 69°F | Mostly Sunny | 1 to 5 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dorchester, WI
Last spring frost
May 11
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
4b
Explore more for Dorchester, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Medford, Wi (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.