Elkhorn, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elkhorn, a city in Walworth County, Wisconsin.
Tonight
57°F
Rain Showers
Rain showers before 3am, then showers and thunderstorms. Cloudy, with a low around 57. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Elkhorn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Rain Showers | 10 to 15 mph S | 89% |
| Wednesday | 61°F | Rain Showers Likely | 10 to 15 mph S | 74% |
| Wednesday Night | 46°F | Chance Rain Showers then Chance Light Rain | 10 mph SW | 33% |
| Thursday | 54°F | Light Rain Likely | 5 to 10 mph W | 65% |
| Thursday Night | 40°F | Chance Light Rain | 5 to 10 mph NW | 54% |
| Friday | 49°F | Slight Chance Light Rain | 10 mph N | 20% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 7% |
| Sunday | 56°F | Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 7% |
| Monday | 58°F | Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph W | 2% |
| Tuesday | 59°F | Mostly Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Elkhorn (42.672, -88.536). Updated through the day.
Growing snapshot for Elkhorn
Last spring frost
Apr 28
First fall frost
Oct 14
Growing season
168 days
Hardiness zone
5b
More local growing data for Elkhorn: nearby ZIP 53121 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Allens Grove
Big Foot Prairie
Bloomfield
Como
Darien
Delavan
Delavan Lake
East Troy
Fontana-on-Geneva Lake
Genoa City
Lake Geneva
Lake Ivanhoe
Lake Lorraine
Lauderdale Lakes
Lyons
Powers Lake
Sharon
Springfield
Turtle Lake
Walworth
Whitewater
Williams Bay
Climate data from the nearest NOAA station, Delavan Wwtp, Wi (8.6 mi from Elkhorn). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.