Bancroft, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bancroft, a community in Portage County, Wisconsin.
Tonight
53°F
Rain Showers
Rain showers before 1am, then showers and thunderstorms. Cloudy, with a low around 53. East wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Bancroft
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Rain Showers | 12 mph E | 89% |
| Saturday | 63°F | Showers And Thunderstorms | 10 to 14 mph E | 80% |
| Saturday Night | 49°F | Showers And Thunderstorms Likely | 10 mph NE | 69% |
| Sunday | 67°F | Slight Chance Rain Showers then Partly Sunny | 12 to 15 mph NE | 19% |
| Sunday Night | 43°F | Mostly Cloudy | 9 to 13 mph ENE | 1% |
| Monday | 61°F | Mostly Cloudy | 14 mph ENE | 3% |
| Monday Night | 42°F | Mostly Cloudy | 7 to 10 mph ENE | 10% |
| Tuesday | 61°F | Partly Sunny | 7 to 12 mph ENE | 10% |
| Tuesday Night | 41°F | Partly Cloudy | 3 to 8 mph ENE | 3% |
| Wednesday | 65°F | Mostly Sunny | 3 to 8 mph ENE | 2% |
| Wednesday Night | 44°F | Patchy Fog | 0 to 5 mph NE | 1% |
| Thursday | 69°F | Patchy Fog then Mostly Sunny | 1 to 5 mph NE | 5% |
| Thursday Night | 46°F | Partly Cloudy | 2 mph ENE | 5% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Bancroft (44.309, -89.506). Updated through the day.
Growing snapshot for Bancroft
Last spring frost
May 10
First fall frost
Oct 3
Growing season
146 days
Hardiness zone
4b
More local growing data for Bancroft: nearby ZIP 54921 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Almond
Amherst
Amherst Junction
Junction City
Nelsonville
Park Ridge
Plover
Polonia
Rosholt
Stevens Point
Whiting
Climate data from the nearest NOAA station, Hancock Exp Farm, Wi (12.4 mi from Bancroft). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.