Lyons, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lyons, a community in Walworth County, Wisconsin.
Overnight
60°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms between 1am and 2am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 60. East wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Lyons
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Chance Showers And Thunderstorms | 10 mph E | 89% |
| Saturday | 71°F | Showers And Thunderstorms | 5 to 10 mph SE | 97% |
| Saturday Night | 60°F | Showers And Thunderstorms | 0 to 5 mph NE | 79% |
| Sunday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 46% |
| Sunday Night | 54°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Monday | 63°F | Slight Chance Rain Showers | 10 to 15 mph E | 24% |
| Monday Night | 50°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Tuesday | 61°F | Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 13% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 5 mph NE | 5% |
| Thursday | 67°F | Partly Sunny | 0 to 5 mph NE | 4% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph N | 5% |
| Friday | 69°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
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East Troy
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Fontana-on-Geneva Lake
Genoa City
Lake Geneva
Lake Ivanhoe
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Lauderdale Lakes
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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 19, 2026.