Elkhorn, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elkhorn, a city in Walworth County, Wisconsin.
Today
70°F
Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms. Cloudy, with a high near 70. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Elkhorn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SE | 100% |
| Tonight | 60°F | Showers And Thunderstorms | 5 to 10 mph E | 87% |
| Sunday | 64°F | Rain Showers Likely | 10 to 15 mph NE | 71% |
| Sunday Night | 52°F | Mostly Cloudy | 10 to 15 mph NE | 9% |
| Monday | 61°F | Slight Chance Rain Showers | 10 to 15 mph NE | 17% |
| Monday Night | 48°F | Mostly Cloudy | 5 to 15 mph NE | 10% |
| Tuesday | 60°F | Partly Sunny | 10 to 15 mph NE | 10% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 63°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Wednesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Thursday | 65°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 68°F | Mostly Sunny | 0 to 10 mph NE | 3% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 3% |
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 Sep 19, 2026.