Biron, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Biron, a village in Wood County, Wisconsin.
Today
81°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 5pm. Mostly cloudy. High near 81, with temperatures falling to around 79 in the afternoon. Heat index values as high as 82. West southwest wind 8 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
7-day forecast for Biron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 8 to 12 mph WSW | 23% |
| Tonight | 57°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 7 mph WNW | 26% |
| Wednesday | 79°F | Mostly Sunny | 2 to 6 mph NW | 4% |
| Wednesday Night | 53°F | Partly Cloudy then Patchy Fog | 0 to 6 mph NW | 1% |
| Thursday | 85°F | Patchy Fog then Sunny | 0 to 6 mph WSW | 1% |
| Thursday Night | 59°F | Mostly Clear | 6 mph SSW | 0% |
| Friday | 88°F | Sunny | 3 to 12 mph SW | 3% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 to 12 mph SW | 19% |
| Saturday | 88°F | Mostly Sunny | 5 to 12 mph SW | 14% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 3 to 10 mph WSW | 40% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 5 to 10 mph WNW | 40% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 3 to 9 mph WNW | 40% |
| Monday | 85°F | Chance Rain Showers | 3 to 9 mph S | 29% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 3 to 9 mph NNW | 36% |
Forecast source: National Weather Service (api.weather.gov) for Biron (44.428, -89.766). Updated through the day.
Growing snapshot for Biron
Last spring frost
May 9
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
4b
More local growing data for Biron: nearby ZIP 54475 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Arpin
Auburndale
Babcock
Hewitt
Lake Camelot
Lake Wazeecha
Marshfield
Milladore
Nekoosa
Pittsville
Port Edwards
Rudolph
Vesper
Wisconsin Rapids
Climate data from the nearest NOAA station, Wisconsin Rapids, Wi (6.7 mi from Biron). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.