Mequon, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mequon, a city in Ozaukee County, Wisconsin.
Overnight
60°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 60. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Mequon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Showers And Thunderstorms | 10 to 15 mph E | 100% |
| Saturday | 67°F | Showers And Thunderstorms | 5 to 15 mph SE | 100% |
| Saturday Night | 58°F | Showers And Thunderstorms | 5 to 10 mph NE | 76% |
| Sunday | 65°F | Scattered Rain Showers | 10 to 20 mph NE | 33% |
| Sunday Night | 53°F | Mostly Cloudy | 10 to 20 mph NE | 4% |
| Monday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 5% |
| Monday Night | 49°F | Mostly Cloudy | 10 to 15 mph NE | 4% |
| Tuesday | 61°F | Partly Sunny | 10 to 15 mph NE | 6% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 63°F | Mostly Sunny | 5 to 15 mph NE | 7% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 10 mph NE | 3% |
| Thursday | 65°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 68°F | Mostly Sunny | 0 to 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Mequon (43.211, -88.014). Updated through the day.
Growing snapshot for Mequon
Last spring frost
Apr 23
First fall frost
Oct 24
Growing season
182 days
Hardiness zone
5b
More local growing data for Mequon: nearby ZIP 53097 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grafton Wwtp, Wi (5.3 mi from Mequon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.