Sayner, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sayner, a community in Vilas County, Wisconsin.
Overnight
63°F
Mostly Cloudy
Mostly cloudy, with a low around 63. South southwest wind around 10 mph, with gusts as high as 21 mph.
7-day forecast for Sayner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Cloudy | 10 mph SSW | 1% |
| Tuesday | 76°F | Chance Rain Showers then Mostly Cloudy | 6 to 10 mph W | 41% |
| Tuesday Night | 52°F | Mostly Cloudy | 0 to 6 mph NW | 7% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 52°F | Mostly Clear | 0 to 3 mph SSW | 0% |
| Thursday | 81°F | Sunny | 2 to 9 mph SW | 1% |
| Thursday Night | 59°F | Mostly Clear | 6 mph SW | 3% |
| Friday | 83°F | Sunny | 5 to 12 mph SW | 15% |
| Friday Night | 60°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 38% |
| Saturday | 80°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph WSW | 23% |
| Saturday Night | 59°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph WSW | 48% |
| Sunday | 79°F | Chance Showers And Thunderstorms | 2 to 8 mph W | 48% |
| Sunday Night | 56°F | Chance Showers And Thunderstorms | 0 to 6 mph NW | 30% |
| Monday | 78°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 6 mph NNW | 23% |
Forecast source: National Weather Service (api.weather.gov) for Sayner (45.988, -89.542). Updated through the day.
Growing snapshot for Sayner
Last spring frost
May 19
First fall frost
Oct 3
Growing season
136 days
Hardiness zone
4b
More local growing data for Sayner: nearby ZIP 54560 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, St Germain, Wi (8.9 mi from Sayner). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.