Harman US

Menomonee Falls, WI Weather & Growing Conditions

This Afternoon
71°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Cloudy. High near 71, with temperatures falling to around 66 in the afternoon. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 71°F Light Rain Likely 15 mph S 67%
Tonight 57°F Light Rain 10 to 15 mph S 86%
Wednesday 63°F Light Rain 10 to 15 mph S 84%
Wednesday Night 47°F Chance Light Rain 10 to 15 mph SW 39%
Thursday 55°F Light Rain Likely 5 to 10 mph W 61%
Thursday Night 40°F Chance Light Rain 5 to 10 mph NW 53%
Friday 50°F Chance Light Rain 10 to 15 mph N 25%
Friday Night 34°F Mostly Cloudy 0 to 10 mph N 6%
Saturday 52°F Mostly Sunny 0 to 5 mph W 3%
Saturday Night 34°F Partly Cloudy 0 to 5 mph W 8%
Sunday 57°F Mostly Sunny then Slight Chance Light Rain 5 to 10 mph W 18%
Sunday Night 36°F Partly Cloudy 5 mph W 5%
Monday 59°F Mostly Sunny 5 to 15 mph W 2%
Monday Night 40°F Partly Cloudy 5 to 10 mph W 2%

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 Nov 4, 2026.