Amherst, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Amherst, a village in Portage County, Wisconsin.
Overnight
62°F
Partly Cloudy
Partly cloudy, with a low around 62. South southwest wind around 6 mph.
7-day forecast for Amherst
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Partly Cloudy | 6 mph SSW | 0% |
| Tuesday | 81°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 27% |
| Tuesday Night | 58°F | Chance Showers And Thunderstorms | 2 to 7 mph WNW | 31% |
| Wednesday | 78°F | Mostly Sunny | 1 to 5 mph SSW | 4% |
| Wednesday Night | 55°F | Partly Cloudy then Patchy Fog | 0 to 5 mph WNW | 2% |
| Thursday | 82°F | Patchy Fog then Sunny | 0 to 3 mph WSW | 1% |
| Thursday Night | 59°F | Mostly Clear | 5 mph SSW | 0% |
| Friday | 86°F | Sunny | 3 to 10 mph SW | 2% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 17% |
| 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 | 3 to 9 mph SW | 38% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 9 mph W | 38% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 2 to 9 mph WNW | 42% |
| Monday | 83°F | Chance Rain Showers | 2 to 8 mph SSE | 31% |
Forecast source: National Weather Service (api.weather.gov) for Amherst (44.448, -89.282). Updated through the day.
Growing snapshot for Amherst
Last spring frost
May 8
First fall frost
Oct 6
Growing season
151 days
Hardiness zone
5a
More local growing data for Amherst: nearby ZIP 54406 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Almond
Amherst Junction
Bancroft
Junction City
Nelsonville
Park Ridge
Plover
Polonia
Rosholt
Stevens Point
Whiting
Climate data from the nearest NOAA station, Waupaca, Wi (12.8 mi from Amherst). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.