Marinette, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marinette, a city in Marinette County, Wisconsin.
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South southwest wind around 8 mph.
7-day forecast for Marinette
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 8 mph SSW | 0% |
| Tuesday | 84°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 8 to 13 mph SW | 35% |
| Tuesday Night | 60°F | Chance Showers And Thunderstorms | 3 to 7 mph N | 37% |
| Wednesday | 78°F | Partly Sunny | 6 mph ENE | 6% |
| Wednesday Night | 57°F | Partly Cloudy then Patchy Fog | 1 to 6 mph SSE | 5% |
| Thursday | 82°F | Patchy Fog then Sunny | 1 to 9 mph SSW | 2% |
| Thursday Night | 61°F | Mostly Clear | 5 to 8 mph SSW | 2% |
| Friday | 86°F | Sunny | 5 to 13 mph SW | 3% |
| Friday Night | 64°F | Slight Chance Rain Showers | 7 to 12 mph SSW | 21% |
| Saturday | 82°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 10 mph SW | 26% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 3 to 9 mph SSW | 45% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 5 to 10 mph WSW | 45% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 3 to 9 mph WNW | 36% |
| Monday | 78°F | Chance Showers And Thunderstorms | 3 to 8 mph SSW | 28% |
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 Aug 4, 2026.