Menomonee Falls, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Menomonee Falls, a village in Waukesha County, Wisconsin.
Tonight
58°F
Showers And Thunderstorms
Rain showers likely before 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 58. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Menomonee Falls
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Showers And Thunderstorms | 10 to 15 mph E | 95% |
| Saturday | 70°F | Showers And Thunderstorms | 10 to 15 mph SE | 94% |
| Saturday Night | 58°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 74% |
| Sunday | 67°F | Chance Rain Showers | 10 to 20 mph NE | 44% |
| Sunday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 18% |
| Monday | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 15% |
| Monday Night | 50°F | Slight Chance Rain Showers | 10 to 15 mph NE | 15% |
| Tuesday | 61°F | Slight Chance Rain Showers then Partly Sunny | 10 to 15 mph NE | 15% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 12% |
| Wednesday | 63°F | Partly Sunny | 5 to 10 mph NE | 12% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 5 mph NE | 6% |
| Thursday | 66°F | Partly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph N | 4% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov) for Menomonee Falls (43.159, -88.122). Updated through the day.
Growing snapshot for Menomonee Falls
Last spring frost
May 6
First fall frost
Oct 8
Growing season
154 days
Hardiness zone
5b
More local growing data for Menomonee Falls: nearby ZIP 53051 weather · frost dates · planting calendar · Wisconsin frost dates
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Climate data from the nearest NOAA station, Germantown, Wi (5.5 mi from Menomonee Falls). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.