Amherst, WI Weather & Growing Conditions
Overnight
58°F
Rain Showers
Rain showers and areas of fog. Cloudy. Low around 58, with temperatures rising to around 60 overnight. South southeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Rain Showers | 9 mph SSE | 78% |
| Wednesday | 62°F | Chance Rain Showers | 8 to 13 mph S | 53% |
| Wednesday Night | 44°F | Rain Showers | 6 to 10 mph SW | 81% |
| Thursday | 51°F | Rain Showers Likely | 5 to 14 mph NW | 65% |
| Thursday Night | 32°F | Mostly Cloudy | 8 to 13 mph N | 5% |
| Friday | 46°F | Partly Sunny | 3 to 12 mph N | 1% |
| Friday Night | 25°F | Mostly Clear | 2 mph N | 0% |
| Saturday | 49°F | Sunny | 0 to 6 mph WNW | 0% |
| Saturday Night | 30°F | Mostly Clear | 6 mph W | 4% |
| Sunday | 53°F | Sunny | 7 to 12 mph W | 7% |
| Sunday Night | 31°F | Mostly Clear | 2 to 7 mph W | 1% |
| Monday | 57°F | Mostly Sunny | 2 to 10 mph WSW | 0% |
| Monday Night | 36°F | Partly Cloudy | 8 mph W | 1% |
| Tuesday | 56°F | Sunny | 5 to 9 mph WNW | 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 Nov 4, 2026.