Marathon City, WI Weather & Growing Conditions
Overnight
57°F
Rain Showers
Rain showers and patchy fog. Cloudy. Low around 57, with temperatures rising to around 59 overnight. Southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Rain Showers | 9 mph SE | 88% |
| Wednesday | 61°F | Rain Showers | 9 to 13 mph S | 90% |
| Wednesday Night | 43°F | Rain Showers | 6 to 10 mph WSW | 81% |
| Thursday | 48°F | Rain Showers Likely then Mostly Cloudy | 7 to 17 mph NNW | 66% |
| Thursday Night | 31°F | Mostly Cloudy | 9 to 16 mph N | 3% |
| Friday | 44°F | Partly Sunny | 5 to 12 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 7 mph W | 1% |
| Monday | 55°F | Mostly Sunny | 3 to 13 mph SW | 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). Updated through the day.
Growing snapshot for Marathon City, WI
Last spring frost
May 6
First fall frost
Oct 4
Growing season
150 days
Hardiness zone
4b
Explore more for Marathon City, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Wausau Dwtn Ap, Wi (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.