Bancroft, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bancroft, a community in Portage County, Wisconsin.
Today
81°F
Mostly Cloudy
Mostly cloudy. High near 81, with temperatures falling to around 78 in the afternoon. Heat index values as high as 83. West southwest wind 8 to 12 mph, with gusts as high as 20 mph.
7-day forecast for Bancroft
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Cloudy | 8 to 12 mph WSW | 14% |
| Tonight | 58°F | Chance Showers And Thunderstorms | 1 to 7 mph W | 34% |
| Wednesday | 79°F | Partly Sunny | 1 to 5 mph NW | 12% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph WNW | 1% |
| Thursday | 83°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 57°F | Mostly Clear | 1 to 5 mph S | 0% |
| Friday | 85°F | Sunny | 1 to 13 mph SSW | 5% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 to 12 mph SW | 16% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SW | 16% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 2 to 9 mph SW | 38% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 38% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 2 to 9 mph WSW | 43% |
| Monday | 84°F | Chance Rain Showers | 2 to 8 mph SSE | 30% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 3 to 8 mph N | 37% |
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 Aug 4, 2026.