Marathon City, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marathon City, a village in Marathon County, Wisconsin.
Today
78°F
Chance Rain Showers then Slight Chance Showers And Thunderstorms
A chance of rain showers between 8am and 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 78. Heat index values as high as 78. West southwest wind 8 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
7-day forecast for Marathon City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 8 to 12 mph WSW | 27% |
| Tonight | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 8 mph NW | 13% |
| Wednesday | 77°F | Mostly Sunny | 2 to 6 mph NNW | 1% |
| Wednesday Night | 52°F | Mostly Clear | 1 to 5 mph NW | 0% |
| Thursday | 82°F | Sunny | 1 to 8 mph WSW | 0% |
| Thursday Night | 58°F | Mostly Clear | 6 mph SSW | 0% |
| Friday | 85°F | Sunny | 5 to 12 mph SW | 5% |
| Friday Night | 62°F | Slight Chance Rain Showers | 9 mph SW | 22% |
| Saturday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 15% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 46% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 43% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 2 to 8 mph N | 36% |
| Monday | 81°F | Chance Showers And Thunderstorms | 3 to 8 mph WSW | 30% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 3 to 8 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov) for Marathon City (44.939, -89.850). Updated through the day.
Growing snapshot for Marathon City
Last spring frost
May 6
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
4b
More local growing data for Marathon City: nearby ZIP 54448 weather · frost dates · planting calendar · Wisconsin frost dates
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Schofield
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Wausau
Weston
Climate data from the nearest NOAA station, Wausau Dwtn Ap, Wi (10.1 mi from Marathon City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.