Menomonee Falls, WI Weather & Growing Conditions
Overnight
59°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 59. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Showers And Thunderstorms | 10 mph E | 100% |
| Saturday | 67°F | Showers And Thunderstorms | 5 to 10 mph SE | 100% |
| Saturday Night | 58°F | Showers And Thunderstorms | 5 to 10 mph NE | 76% |
| Sunday | 65°F | Scattered Rain Showers | 10 to 15 mph NE | 34% |
| Sunday Night | 53°F | Mostly Cloudy | 10 to 15 mph NE | 5% |
| Monday | 62°F | Cloudy | 10 to 15 mph NE | 5% |
| Monday Night | 49°F | Mostly Cloudy | 5 to 15 mph NE | 5% |
| Tuesday | 61°F | Partly Sunny | 10 to 15 mph NE | 7% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 63°F | Mostly Sunny | 5 to 10 mph NE | 7% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 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 | 69°F | Mostly Sunny | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Menomonee Falls, WI
Last spring frost
May 6
First fall frost
Oct 8
Growing season
154 days
Hardiness zone
5b
Explore more for Menomonee Falls, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Germantown, Wi (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.