Markesan, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Markesan, a city in Green Lake County, Wisconsin.
This Afternoon
62°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 62, with temperatures falling to around 53 in the afternoon. Southwest wind around 10 mph.
7-day forecast for Markesan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Chance Rain Showers | 10 mph SW | 12% |
| Tonight | 45°F | Chance Rain Showers then Light Rain Likely | 10 to 15 mph SW | 60% |
| Thursday | 50°F | Light Rain Likely | 10 to 15 mph W | 70% |
| Thursday Night | 33°F | Mostly Cloudy | 10 to 15 mph N | 3% |
| Friday | 46°F | Mostly Sunny | 5 to 15 mph N | 0% |
| Friday Night | 25°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 30°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 5 mph W | 0% |
| Monday | 61°F | Mostly Sunny | 5 to 15 mph SW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 to 10 mph NW | 0% |
| Tuesday Night | 34°F | Partly Cloudy | 0 to 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Markesan (43.711, -88.991). Updated through the day.
Growing snapshot for Markesan
Last spring frost
May 8
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
5a
More local growing data for Markesan: nearby ZIP 53946 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Markesan, Wi (1.6 mi from Markesan). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.