Dunbar, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dunbar, a community in Marinette County, Wisconsin.
This Afternoon
62°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 62, with temperatures falling to around 59 in the afternoon. East southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Dunbar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Chance Rain Showers | 5 mph ESE | 25% |
| Tonight | 48°F | Chance Rain Showers | 3 mph ESE | 32% |
| Saturday | 62°F | Chance Rain Showers | 2 to 6 mph E | 48% |
| Saturday Night | 46°F | Slight Chance Rain Showers then Patchy Fog | 3 mph NE | 15% |
| Sunday | 65°F | Partly Sunny | 5 to 10 mph NNE | 2% |
| Sunday Night | 40°F | Mostly Cloudy | 3 to 9 mph NE | 0% |
| Monday | 60°F | Partly Sunny | 7 mph ENE | 0% |
| Monday Night | 37°F | Partly Cloudy | 2 to 6 mph NE | 0% |
| Tuesday | 63°F | Patchy Frost then Mostly Sunny | 2 to 7 mph ENE | 2% |
| Tuesday Night | 39°F | Partly Cloudy then Patchy Fog | 1 to 5 mph ENE | 4% |
| Wednesday | 64°F | Sunny | 1 to 6 mph ENE | 5% |
| Wednesday Night | 42°F | Patchy Fog | 0 to 5 mph NE | 4% |
| Thursday | 69°F | Patchy Fog then Mostly Sunny | 0 to 3 mph E | 5% |
| Thursday Night | 44°F | Partly Cloudy | 2 mph NW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Dunbar (45.647, -88.180). Updated through the day.
Growing snapshot for Dunbar
Last spring frost
May 24
First fall frost
Sep 30
Growing season
128 days
Hardiness zone
4b
More local growing data for Dunbar: nearby ZIP 54119 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Goodman Sanitary Dist, Wi (8 mi from Dunbar). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.