Marion, WI Weather & Growing Conditions
Tonight
58°F
Rain Showers
Rain showers and areas of fog. Cloudy, with a low around 58. South southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Rain Showers | 9 mph SSE | 84% |
| Wednesday | 64°F | Rain Showers Likely | 8 to 13 mph S | 69% |
| Wednesday Night | 46°F | Rain Showers | 6 to 12 mph SW | 77% |
| Thursday | 53°F | Rain Showers | 6 to 13 mph NW | 90% |
| Thursday Night | 36°F | Chance Rain Showers then Mostly Cloudy | 14 mph N | 32% |
| Friday | 47°F | Partly Sunny | 6 to 13 mph N | 6% |
| Friday Night | 28°F | Partly Cloudy | 2 mph N | 2% |
| Saturday | 49°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph W | 10% |
| Sunday | 56°F | Mostly Sunny | 5 to 10 mph WNW | 11% |
| Sunday Night | 32°F | Partly Cloudy | 3 to 7 mph W | 3% |
| Monday | 58°F | Mostly Sunny | 3 to 10 mph WSW | 1% |
| Monday Night | 37°F | Partly Cloudy | 8 mph W | 0% |
| Tuesday | 57°F | Sunny | 6 to 10 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marion, WI
Last spring frost
May 4
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5a
Explore more for Marion, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Clintonville, Wi (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.