Marinette, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marinette, a city in Marinette County, Wisconsin.
Overnight
55°F
Rain Showers
Rain showers and areas of fog. Cloudy. Low around 55, with temperatures rising to around 57 overnight. South southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Marinette
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Rain Showers | 10 mph SSE | 96% |
| Wednesday | 62°F | Rain Showers | 13 mph S | 86% |
| Wednesday Night | 43°F | Rain Showers Likely | 8 to 12 mph SSW | 55% |
| Thursday | 52°F | Rain Showers Likely | 8 to 17 mph WNW | 61% |
| Thursday Night | 29°F | Chance Rain Showers | 13 to 17 mph N | 38% |
| Friday | 46°F | Chance Rain Showers | 10 to 15 mph N | 32% |
| Friday Night | 27°F | Partly Cloudy | 3 to 9 mph N | 1% |
| Saturday | 48°F | Sunny | 3 to 7 mph WNW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 5 to 8 mph W | 5% |
| Sunday | 53°F | Mostly Sunny | 8 to 12 mph W | 8% |
| Sunday Night | 32°F | Partly Cloudy | 5 to 8 mph W | 1% |
| Monday | 54°F | Mostly Sunny | 5 to 13 mph SW | 1% |
| Monday Night | 36°F | Partly Cloudy | 7 to 10 mph W | 4% |
| Tuesday | 55°F | Mostly Sunny | 6 to 10 mph NW | 9% |
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.