Mequon, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mequon, a city in Ozaukee County, Wisconsin.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South wind 0 to 10 mph.
7-day forecast for Mequon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 to 10 mph S | 6% |
| Tonight | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph SW | 86% |
| Wednesday | 74°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph W | 64% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 41% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 20% |
| Thursday Night | 58°F | Mostly Clear | 0 to 5 mph S | 7% |
| Friday | 82°F | Sunny | 0 to 5 mph SW | 1% |
| Friday Night | 63°F | Mostly Clear | 5 mph SW | 6% |
| Saturday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 28% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 28% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 52% |
| Monday | 83°F | Chance Rain Showers | 5 mph S | 41% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 43% |
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 Aug 4, 2026.