Elm Grove, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elm Grove, a village in Waukesha County, Wisconsin.
This Afternoon
71°F
Light Rain Likely
Rain before 3pm, then 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 35 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Elm Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Light Rain Likely | 15 mph S | 80% |
| Tonight | 58°F | Light Rain | 10 to 15 mph S | 86% |
| Wednesday | 63°F | Light Rain | 10 to 15 mph S | 81% |
| Wednesday Night | 48°F | Chance Light Rain | 10 to 15 mph SW | 34% |
| Thursday | 55°F | Light Rain Likely | 10 to 15 mph W | 62% |
| Thursday Night | 40°F | Chance Light Rain | 5 to 10 mph NW | 54% |
| Friday | 50°F | Chance Light Rain | 10 to 15 mph N | 25% |
| Friday Night | 35°F | Mostly Cloudy | 5 to 10 mph N | 7% |
| Saturday | 52°F | Mostly Sunny | 5 mph W | 3% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 7% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Sunday Night | 36°F | Partly Cloudy | 5 to 10 mph W | 6% |
| Monday | 59°F | Mostly Sunny | 5 to 15 mph W | 2% |
| Monday Night | 41°F | Partly Cloudy | 10 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Elm Grove (43.048, -88.087). Updated through the day.
Growing snapshot for Elm Grove
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
173 days
Hardiness zone
5b
More local growing data for Elm Grove: nearby ZIP 53122 weather · frost dates · planting calendar · Wisconsin frost dates
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Climate data from the nearest NOAA station, Mt Mary College, Wi (3.4 mi from Elm Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.