Sayner, WI Weather & Growing Conditions
This Afternoon
64°F
Areas Of Fog
Areas of fog and a chance of rain showers. Cloudy, with a high near 64. South wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Areas Of Fog | 7 mph S | 50% |
| Tonight | 56°F | Rain Showers | 7 mph SSE | 94% |
| Wednesday | 61°F | Rain Showers | 5 to 8 mph SSE | 91% |
| Wednesday Night | 41°F | Rain Showers | 7 mph WSW | 93% |
| Thursday | 44°F | Rain Showers | 8 to 15 mph N | 96% |
| Thursday Night | 28°F | Slight Chance Rain And Snow Showers then Cloudy | 9 to 14 mph NNE | 24% |
| Friday | 41°F | Partly Sunny | 5 to 10 mph NNE | 5% |
| Friday Night | 25°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 46°F | Mostly Sunny | 0 to 6 mph WSW | 1% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph WSW | 13% |
| Sunday | 50°F | Slight Chance Rain Showers | 5 to 9 mph WNW | 17% |
| Sunday Night | 31°F | Partly Cloudy | 2 to 6 mph WSW | 11% |
| Monday | 52°F | Partly Sunny | 5 to 10 mph SW | 3% |
| Monday Night | 34°F | Partly Cloudy | 8 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sayner, WI
Last spring frost
May 19
First fall frost
Oct 3
Growing season
136 days
Hardiness zone
4b
Explore more for Sayner, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, St Germain, Wi (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.