Nelson, WI Weather & Growing Conditions
Today
78°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 78, with temperatures falling to around 74 in the afternoon. West wind 6 to 10 mph, with gusts as high as 21 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 |
|---|---|---|---|---|
| Today | 78°F | Showers And Thunderstorms | 6 to 10 mph W | 94% |
| Tonight | 57°F | Slight Chance Rain Showers then Mostly Cloudy | 6 mph W | 23% |
| Wednesday | 79°F | Sunny | 5 mph NW | 1% |
| Wednesday Night | 57°F | Mostly Clear | 5 mph W | 0% |
| Thursday | 84°F | Sunny | 2 to 7 mph SW | 1% |
| Thursday Night | 62°F | Mostly Clear | 7 mph S | 1% |
| Friday | 86°F | Sunny | 5 to 9 mph SW | 12% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 8 mph SW | 26% |
| Saturday | 86°F | Slight Chance Rain Showers then Sunny | 6 mph S | 18% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 6 mph W | 41% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 7 mph SW | 41% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 6 mph E | 27% |
| Monday | 84°F | Chance Rain Showers | 6 mph E | 27% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Nelson, WI
Last spring frost
Apr 28
First fall frost
Oct 14
Growing season
168 days
Hardiness zone
4b
Explore more for Nelson, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Alma Dam 4, Wi (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.