Marinette, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marinette, a city in Marinette County, Wisconsin.
This Afternoon
63°F
Chance Rain Showers
A chance of rain showers and patchy fog. Cloudy. High near 63, with temperatures falling to around 61 in the afternoon. South wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Marinette
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Chance Rain Showers | 12 mph S | 30% |
| Tonight | 57°F | Rain Showers | 12 mph SSE | 88% |
| Wednesday | 62°F | Rain Showers | 14 mph S | 86% |
| Wednesday Night | 45°F | Rain Showers Likely | 9 to 13 mph SSW | 56% |
| Thursday | 53°F | Rain Showers | 8 to 15 mph WNW | 92% |
| Thursday Night | 32°F | Chance Rain Showers | 17 mph N | 41% |
| Friday | 46°F | Slight Chance Rain Showers then Partly Sunny | 13 to 17 mph N | 19% |
| Friday Night | 31°F | Partly Cloudy | 5 to 10 mph N | 6% |
| Saturday | 48°F | Mostly Sunny | 7 mph WNW | 3% |
| Saturday Night | 33°F | Partly Cloudy | 6 mph WSW | 10% |
| Sunday | 53°F | Mostly Sunny | 6 to 10 mph WNW | 13% |
| Sunday Night | 34°F | Partly Cloudy | 8 mph WNW | 4% |
| Monday | 54°F | Mostly Sunny | 7 to 14 mph WSW | 1% |
| Monday Night | 37°F | Partly Cloudy | 10 mph W | 0% |
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 Nov 4, 2026.