Marion, WI Weather & Growing Conditions
This Afternoon
67°F
Areas Of Fog
Areas of fog and a chance of rain showers. Cloudy. High near 67, with temperatures falling to around 65 in the afternoon. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Areas Of Fog | 10 mph S | 35% |
| Tonight | 58°F | Rain Showers | 9 mph SSE | 91% |
| Wednesday | 64°F | Rain Showers | 8 to 13 mph S | 93% |
| Wednesday Night | 46°F | Rain Showers Likely | 7 to 12 mph SW | 68% |
| Thursday | 53°F | Rain Showers | 7 to 13 mph WNW | 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% |
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.