Mequon, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mequon, a city in Ozaukee County, Wisconsin.
Overnight
58°F
Light Rain
Rain. Cloudy, with a low around 58. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Mequon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Light Rain | 10 mph S | 79% |
| Wednesday | 63°F | Chance Light Rain | 10 to 15 mph S | 42% |
| Wednesday Night | 46°F | Cloudy then Chance Light Rain | 15 mph SW | 36% |
| Thursday | 55°F | Light Rain Likely | 10 to 15 mph W | 58% |
| Thursday Night | 37°F | Chance Light Rain then Cloudy | 10 mph N | 39% |
| Friday | 48°F | Slight Chance Light Rain | 10 to 15 mph N | 18% |
| Friday Night | 32°F | Partly Cloudy | 5 mph N | 2% |
| Saturday | 51°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 2% |
| Sunday | 55°F | Sunny | 5 to 15 mph W | 8% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 2% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Partly Cloudy | 5 to 10 mph W | 1% |
| Tuesday | 59°F | Sunny | 5 to 10 mph NW | 3% |
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 Nov 4, 2026.