Trego, WI Weather & Growing Conditions
Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. West wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 10 mph W | 1% |
| Tonight | 48°F | Partly Cloudy | 0 to 10 mph W | 1% |
| Wednesday | 79°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 to 10 mph SW | 1% |
| Thursday | 84°F | Sunny | 5 to 15 mph SW | 2% |
| Thursday Night | 62°F | Mostly Clear | 10 mph S | 4% |
| Friday | 86°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Friday Night | 60°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 27% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 15% |
| Saturday Night | 60°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 48% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 5 mph W | 39% |
| Sunday Night | 58°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 18% |
| Monday | 81°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 20% |
| Monday Night | 57°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Trego, WI
Last spring frost
May 10
First fall frost
Oct 4
Growing season
144 days
Hardiness zone
4a
Explore more for Trego, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Minong 5 Wsw, Wi (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.