Birchwood, WI Weather & Growing Conditions
Overnight
55°F
Light Rain Likely
Rain likely. Cloudy, with a low around 55. East wind around 5 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 |
|---|---|---|---|---|
| Overnight | 55°F | Light Rain Likely | 5 mph E | 71% |
| Wednesday | 59°F | Light Rain | 5 mph SE | 87% |
| Wednesday Night | 41°F | Light Rain | 5 to 10 mph NW | 89% |
| Thursday | 46°F | Chance Light Rain then Cloudy | 15 mph N | 54% |
| Thursday Night | 28°F | Mostly Cloudy | 0 to 10 mph N | 5% |
| Friday | 45°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 25°F | Mostly Clear | 0 mph | 0% |
| Saturday | 46°F | Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 30°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Sunday | 52°F | Mostly Sunny | 5 to 10 mph W | 8% |
| Sunday Night | 31°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 56°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 34°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Tuesday | 53°F | Mostly Sunny | 0 to 5 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Birchwood, WI
Growing season
100 days
Hardiness zone
4a
Explore more for Birchwood, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Couderay 7 W, Wi (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.