Elkhorn, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elkhorn, a city in Walworth County, Wisconsin.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Southwest wind 0 to 10 mph.
7-day forecast for Elkhorn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 0 to 10 mph SW | 4% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 85% |
| Wednesday | 74°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph W | 76% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 54% |
| Thursday | 78°F | Chance Rain Showers then Partly Sunny | 0 to 5 mph NE | 31% |
| Thursday Night | 58°F | Mostly Clear | 0 to 5 mph SE | 12% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph S | 6% |
| Saturday | 82°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 26% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 26% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 46% |
| Monday | 82°F | Chance Rain Showers | 5 to 10 mph S | 45% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 mph W | 45% |
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 Aug 4, 2026.