Barron, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barron, a city in Barron County, Wisconsin.
Tonight
52°F
Rain Showers
Rain showers and patchy fog. Cloudy, with a low around 52. East southeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Barron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers | 10 to 15 mph ESE | 85% |
| Saturday | 64°F | Chance Rain Showers then Cloudy | 10 mph ENE | 26% |
| Saturday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Sunday | 71°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 5 to 10 mph ENE | 1% |
| Monday | 66°F | Mostly Cloudy | 5 mph ENE | 2% |
| Monday Night | 40°F | Mostly Cloudy | 0 to 5 mph ENE | 2% |
| Tuesday | 67°F | Mostly Sunny | 0 to 5 mph E | 2% |
| Tuesday Night | 41°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 69°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 46°F | Partly Cloudy | 0 mph | 5% |
| Thursday | 72°F | Mostly Sunny | 0 to 5 mph S | 10% |
| Thursday Night | 48°F | Partly Cloudy | 0 mph | 10% |
| Friday | 73°F | Mostly Sunny | 0 to 5 mph SE | 5% |
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 Sep 19, 2026.