Green Lake, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Green Lake, a city in Green Lake County, Wisconsin.
Overnight
58°F
Light Rain
Rain. Cloudy, with a low around 58. South wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Green Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Light Rain | 10 to 15 mph S | 86% |
| Wednesday | 62°F | Chance Light Rain | 15 mph S | 31% |
| Wednesday Night | 46°F | Light Rain Likely | 15 mph SW | 74% |
| Thursday | 53°F | Light Rain Likely | 10 to 15 mph W | 72% |
| Thursday Night | 35°F | Mostly Cloudy | 15 mph N | 9% |
| Friday | 46°F | Partly Sunny | 5 to 15 mph N | 3% |
| Friday Night | 27°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 31°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 8% |
| Sunday Night | 32°F | Mostly Clear | 5 mph W | 1% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 to 10 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Green Lake (43.843, -88.956). Updated through the day.
Growing snapshot for Green Lake
Last spring frost
May 8
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
5a
More local growing data for Green Lake: nearby ZIP 54941 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Markesan, Wi (9.8 mi from Green Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.