Marathon City, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marathon City, a village in Marathon County, Wisconsin.
Overnight
57°F
Rain Showers Likely
Rain showers likely and areas of fog before 2am, then widespread fog and rain showers likely between 2am and 3am, then rain showers and areas of fog. Cloudy. Low around 57, with temperatures rising to around 59 overnight. Southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Marathon City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Rain Showers Likely | 9 mph SE | 86% |
| Wednesday | 61°F | Rain Showers | 9 to 13 mph S | 89% |
| Wednesday Night | 43°F | Rain Showers | 6 to 10 mph WSW | 80% |
| Thursday | 48°F | Rain Showers Likely then Mostly Cloudy | 7 to 17 mph NNW | 66% |
| Thursday Night | 31°F | Mostly Cloudy | 8 to 15 mph N | 3% |
| Friday | 44°F | Partly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 24°F | Mostly Clear | 0 to 3 mph N | 0% |
| Saturday | 47°F | Sunny | 0 to 7 mph WNW | 0% |
| Saturday Night | 29°F | Partly Cloudy | 3 to 7 mph W | 6% |
| Sunday | 51°F | Sunny | 8 to 13 mph WNW | 8% |
| Sunday Night | 30°F | Partly Cloudy | 3 to 8 mph W | 1% |
| Monday | 55°F | Mostly Sunny | 3 to 13 mph WSW | 0% |
| Monday Night | 34°F | Partly Cloudy | 8 mph W | 1% |
| Tuesday | 53°F | Sunny | 6 to 9 mph WNW | 4% |
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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Wausau
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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 Nov 4, 2026.