Lyons, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lyons, a community in Walworth County, Wisconsin.
Tonight
61°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms. Cloudy, with a low around 61. Northeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Lyons
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph NE | 92% |
| Sunday | 64°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 69% |
| Sunday Night | 54°F | Mostly Cloudy | 10 to 15 mph NE | 5% |
| Monday | 62°F | Cloudy | 10 to 15 mph NE | 12% |
| Monday Night | 50°F | Chance Rain Showers | 5 to 10 mph NE | 29% |
| Tuesday | 61°F | Chance Rain Showers | 5 to 15 mph NE | 29% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 11% |
| Wednesday | 62°F | Partly Sunny | 5 to 10 mph NE | 8% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 10 mph NE | 4% |
| Thursday | 65°F | Partly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph NE | 10% |
| Friday | 69°F | Partly Sunny | 0 to 5 mph NE | 8% |
| Friday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Saturday | 70°F | Mostly Sunny | 0 to 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Lyons (42.648, -88.360). Updated through the day.
Growing snapshot for Lyons
Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
5b
More local growing data for Lyons: nearby ZIP 53176 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Allens Grove
Big Foot Prairie
Bloomfield
Como
Darien
Delavan
Delavan Lake
East Troy
Elkhorn
Fontana-on-Geneva Lake
Genoa City
Lake Geneva
Lake Ivanhoe
Lake Lorraine
Lauderdale Lakes
Powers Lake
Sharon
Springfield
Turtle Lake
Walworth
Whitewater
Williams Bay
Climate data from the nearest NOAA station, Lake Geneva Wwtp, Wi (3 mi from Lyons). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.