Lancaster, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lancaster, a city in Grant County, Wisconsin.
This Afternoon
66°F
Showers And Thunderstorms
Rain showers likely before 3pm, then showers and thunderstorms. Cloudy, with a high near 66. South wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lancaster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Showers And Thunderstorms | 17 mph S | 85% |
| Tonight | 52°F | Showers And Thunderstorms | 10 to 14 mph S | 87% |
| Wednesday | 55°F | Rain Showers Likely | 13 to 16 mph S | 58% |
| Wednesday Night | 45°F | Rain Showers Likely | 13 to 16 mph SW | 55% |
| Thursday | 52°F | Rain Showers | 13 mph W | 76% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph N | 20% |
| Friday | 48°F | Partly Sunny | 5 to 12 mph N | 5% |
| Friday Night | 32°F | Partly Cloudy | 2 mph NW | 1% |
| Saturday | 51°F | Mostly Sunny | 1 to 6 mph W | 2% |
| Saturday Night | 35°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 58°F | Mostly Sunny | 5 to 9 mph NW | 13% |
| Sunday Night | 36°F | Mostly Clear | 2 to 6 mph SW | 4% |
| Monday | 59°F | Mostly Sunny | 5 to 12 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 7 mph W | 0% |
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 Nov 3, 2026.