Barron, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barron, a city in Barron County, Wisconsin.
Overnight
42°F
Light Rain
Rain and areas of fog. Cloudy. Low around 42, with temperatures rising to around 46 overnight. North northwest wind 0 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
7-day forecast for Barron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Light Rain | 0 to 15 mph NNW | 77% |
| Thursday | 46°F | Chance Drizzle then Cloudy | 10 to 15 mph N | 26% |
| Thursday Night | 29°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 45°F | Patchy Fog then Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 24°F | Areas Of Fog | 0 mph | 0% |
| Saturday | 47°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph SSW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 5 mph WSW | 2% |
| Sunday | 53°F | Sunny | 5 mph W | 0% |
| Sunday Night | 32°F | Partly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 35°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Tuesday | 53°F | Mostly Sunny | 0 to 5 mph WNW | 0% |
| Tuesday Night | 33°F | Partly Cloudy | 0 mph | 1% |
| Veterans Day | 54°F | Mostly Sunny | 0 to 5 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Barron (45.402, -91.844). Updated through the day.
Growing snapshot for Barron
Last spring frost
May 8
First fall frost
Oct 2
Growing season
145 days
Hardiness zone
4b
More local growing data for Barron: nearby ZIP 54812 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rice Lake, Wi (5.6 mi from Barron). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.