Birnamwood, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Birnamwood, a village in Shawano County, Wisconsin.
Today
61°F
Rain Showers Likely
Rain showers likely and patchy fog. Cloudy. High near 61, with temperatures falling to around 55 in the afternoon. South southwest wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Birnamwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 61°F | Rain Showers Likely | 13 mph SSW | 86% |
| Tonight | 43°F | Rain Showers | 7 to 10 mph SW | 79% |
| Thursday | 48°F | Rain Showers Likely | 6 to 17 mph NW | 66% |
| Thursday Night | 31°F | Mostly Cloudy | 10 to 16 mph N | 3% |
| Friday | 44°F | Partly Sunny | 6 to 12 mph N | 0% |
| Friday Night | 24°F | Mostly Clear | 1 to 5 mph NNW | 0% |
| Saturday | 47°F | Sunny | 1 to 6 mph WNW | 0% |
| Saturday Night | 29°F | Partly Cloudy | 5 to 8 mph W | 6% |
| Sunday | 51°F | Mostly Sunny | 9 to 13 mph WNW | 8% |
| Sunday Night | 30°F | Mostly Clear | 3 to 8 mph W | 0% |
| Monday | 55°F | Mostly Sunny | 3 to 13 mph WSW | 0% |
| Monday Night | 35°F | Partly Cloudy | 9 mph W | 1% |
| Tuesday | 54°F | Mostly Sunny | 6 to 10 mph WNW | 4% |
| Tuesday Night | 32°F | Partly Cloudy | 1 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Birnamwood (44.932, -89.210). Updated through the day.
Growing snapshot for Birnamwood
Last spring frost
May 14
First fall frost
Sep 30
Growing season
139 days
Hardiness zone
4b
More local growing data for Birnamwood: nearby ZIP 54414 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Angelica
Aniwa
Bonduel
Bowler
Caroline
Cecil
Green Valley
Gresham
Krakow
Leopolis
Mattoon
Paac Ciinak
Pella
Pulaski
Pulcifer
Shawano
Thornton
Tigerton
Tilleda
Wittenberg
Climate data from the nearest NOAA station, Antigo, Wi (14.2 mi from Birnamwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.