Green Lake, WI Weather & Growing Conditions
This Afternoon
65°F
Rain Showers
Rain showers. Cloudy. High near 65, with temperatures falling to around 59 in the afternoon. East wind around 10 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 |
|---|---|---|---|---|
| This Afternoon | 65°F | Rain Showers | 10 mph E | 89% |
| Tonight | 56°F | Showers And Thunderstorms | 10 to 15 mph E | 94% |
| Saturday | 65°F | Showers And Thunderstorms | 10 to 15 mph E | 89% |
| Saturday Night | 55°F | Showers And Thunderstorms | 10 to 15 mph NE | 77% |
| Sunday | 66°F | Chance Rain Showers then Partly Sunny | 15 mph NE | 28% |
| Sunday Night | 51°F | Mostly Cloudy | 10 to 15 mph NE | 2% |
| Monday | 60°F | Mostly Cloudy | 10 to 15 mph NE | 11% |
| Monday Night | 48°F | Mostly Cloudy | 10 mph NE | 12% |
| Tuesday | 60°F | Partly Sunny | 10 to 15 mph NE | 12% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 63°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 67°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Green Lake, WI
Last spring frost
May 8
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
5a
Explore more for Green Lake, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Markesan, Wi (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.