Spencer, WI Weather & Growing Conditions
Today
77°F
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before noon. Mostly cloudy, with a high near 77. Heat index values as high as 76. West southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 10 mph WSW | 73% |
| Tonight | 56°F | Isolated Rain Showers then Mostly Cloudy | 3 to 7 mph NW | 17% |
| Wednesday | 76°F | Mostly Sunny | 6 mph N | 1% |
| Wednesday Night | 53°F | Mostly Clear | 3 mph W | 0% |
| Thursday | 82°F | Sunny | 0 to 7 mph SSW | 0% |
| Thursday Night | 58°F | Mostly Clear | 6 mph SSW | 0% |
| Friday | 85°F | Sunny | 5 to 10 mph SW | 6% |
| Friday Night | 62°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 22% |
| Saturday | 84°F | Slight Chance Rain Showers | 5 to 9 mph SW | 15% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 44% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 9 mph W | 42% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 3 to 7 mph N | 37% |
| Monday | 81°F | Chance Showers And Thunderstorms | 3 to 7 mph S | 31% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 6 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Spencer, WI
Last spring frost
May 5
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
4b
Explore more for Spencer, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Marshfield Muni Ap, Wi (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.