Lancaster, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lancaster, a city in Grant County, Wisconsin.
Overnight
63°F
Mostly Cloudy
Mostly cloudy, with a low around 63. South wind around 8 mph.
7-day forecast for Lancaster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Cloudy | 8 mph S | 0% |
| Tuesday | 80°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 10 mph SW | 41% |
| Tuesday Night | 63°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 to 8 mph NW | 70% |
| Wednesday | 75°F | Chance Showers And Thunderstorms | 5 mph N | 35% |
| Wednesday Night | 56°F | Slight Chance Rain Showers | 5 mph NW | 15% |
| Thursday | 79°F | Sunny | 3 mph E | 9% |
| Thursday Night | 59°F | Mostly Clear | 2 mph S | 0% |
| Friday | 81°F | Sunny | 2 to 8 mph S | 4% |
| Friday Night | 64°F | Mostly Clear | 7 mph S | 8% |
| Saturday | 83°F | Mostly Sunny | 5 to 9 mph SW | 9% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 9 mph S | 31% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 9 to 13 mph SW | 31% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 6 to 10 mph S | 43% |
| Monday | 83°F | Chance Rain Showers | 9 mph S | 43% |
Forecast source: National Weather Service (api.weather.gov) for Lancaster (42.847, -90.706). Updated through the day.
Growing snapshot for Lancaster
Last spring frost
Apr 27
First fall frost
Oct 11
Growing season
166 days
Hardiness zone
5a
More local growing data for Lancaster: nearby ZIP 53813 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Bagley
Bloomington
Boscobel
Cuba City
Dickeyville
Fennimore
Glen Haven
Kieler
Livingston
Montfort
Mount Hope
Muscoda
Patch Grove
Platteville
Potosi
Sandy Hook
Tennyson
Woodman
Climate data from the nearest NOAA station, Lancaster 4 Wsw, Wi (3.8 mi from Lancaster). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.