Marinette, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marinette, a city in Marinette County, Wisconsin.
Tonight
53°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 53. East southeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marinette
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Chance Rain Showers | 7 mph ESE | 51% |
| Saturday | 65°F | Rain Showers Likely | 7 to 12 mph E | 58% |
| Saturday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 6 to 10 mph NE | 34% |
| Sunday | 68°F | Mostly Sunny | 9 to 15 mph NNE | 3% |
| Sunday Night | 47°F | Mostly Cloudy | 10 to 14 mph NE | 0% |
| Monday | 62°F | Mostly Cloudy | 12 to 16 mph NE | 0% |
| Monday Night | 47°F | Mostly Cloudy | 8 to 13 mph ENE | 1% |
| Tuesday | 61°F | Mostly Sunny | 8 to 15 mph ENE | 3% |
| Tuesday Night | 47°F | Partly Cloudy | 6 to 12 mph ENE | 6% |
| Wednesday | 63°F | Mostly Sunny | 6 to 12 mph ENE | 6% |
| Wednesday Night | 48°F | Partly Cloudy | 3 to 8 mph NE | 5% |
| Thursday | 67°F | Mostly Sunny | 3 to 8 mph NE | 4% |
| Thursday Night | 49°F | Partly Cloudy | 5 mph SSW | 4% |
| Friday | 70°F | Mostly Sunny | 3 to 7 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Marinette (45.087, -87.632). Updated through the day.
Growing snapshot for Marinette
Last spring frost
May 11
First fall frost
Oct 5
Growing season
145 days
Hardiness zone
5b
More local growing data for Marinette: nearby ZIP 54143 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Peshtigo, Wi (3.8 mi from Marinette). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.