Birnamwood, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Birnamwood, a village in Shawano County, Wisconsin.

This Afternoon

62°F

Rain Showers

Rain showers. Cloudy. High near 62, with temperatures falling to around 59 in the afternoon. East wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Birnamwood

When	Temp	Forecast	Wind	Precip
This Afternoon	62°F	Rain Showers	9 mph E	89%
Tonight	52°F	Rain Showers	8 to 12 mph E	87%
Saturday	62°F	Rain Showers	12 to 15 mph E	79%
Saturday Night	49°F	Rain Showers Likely then Mostly Cloudy	7 to 12 mph NE	68%
Sunday	68°F	Partly Sunny	10 to 14 mph NE	6%
Sunday Night	43°F	Mostly Cloudy	12 mph NE	1%
Monday	62°F	Mostly Cloudy	13 mph ENE	1%
Monday Night	40°F	Mostly Cloudy	9 mph ENE	2%
Tuesday	62°F	Mostly Sunny	7 to 12 mph ENE	3%
Tuesday Night	42°F	Partly Cloudy	5 to 8 mph ENE	3%
Wednesday	66°F	Mostly Sunny	5 to 8 mph ENE	3%
Wednesday Night	45°F	Partly Cloudy	1 to 6 mph ENE	2%
Thursday	70°F	Mostly Sunny	5 mph E	5%
Thursday Night	46°F	Partly Cloudy	3 mph W	7%

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

More local growing data for Birnamwood: nearby ZIP 54414 weather · frost dates · planting calendar · Wisconsin frost dates

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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 Sep 19, 2026.