Elkhorn, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elkhorn, a city in Walworth County, Wisconsin.
This Afternoon
70°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 70, with temperatures falling to around 65 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Elkhorn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Light Rain | 15 to 20 mph S | 95% |
| Tonight | 56°F | Light Rain | 10 to 15 mph S | 89% |
| Wednesday | 61°F | Light Rain Likely | 10 to 15 mph S | 74% |
| Wednesday Night | 46°F | 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% |
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 3, 2026.