Amherst, WI Weather & Growing Conditions
Overnight
53°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 53, with temperatures rising to around 55 overnight. East wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Showers And Thunderstorms | 9 mph E | 86% |
| Saturday | 63°F | Showers And Thunderstorms | 10 to 14 mph E | 82% |
| Saturday Night | 50°F | Rain Showers Likely | 10 mph NE | 67% |
| Sunday | 67°F | Slight Chance Rain Showers then Partly Sunny | 10 to 14 mph NE | 23% |
| Sunday Night | 45°F | Mostly Cloudy | 9 to 13 mph NE | 1% |
| Monday | 61°F | Mostly Cloudy | 14 mph ENE | 3% |
| Monday Night | 42°F | Mostly Cloudy | 7 to 10 mph ENE | 7% |
| Tuesday | 61°F | Partly Sunny | 7 to 12 mph ENE | 7% |
| Tuesday Night | 43°F | Partly Cloudy | 3 to 8 mph NE | 3% |
| Wednesday | 65°F | Mostly Sunny | 3 to 8 mph ENE | 3% |
| Wednesday Night | 45°F | Partly Cloudy then Patchy Fog | 0 to 5 mph NE | 1% |
| Thursday | 69°F | Patchy Fog then Mostly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 47°F | Partly Cloudy | 2 mph NE | 6% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Amherst, WI
Last spring frost
May 8
First fall frost
Oct 6
Growing season
151 days
Hardiness zone
5a
Explore more for Amherst, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Waupaca, Wi (12.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.