Thornton, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thornton, a community in Shawano County, Wisconsin.
This Afternoon
68°F
Chance Rain Showers
A chance of rain showers and patchy fog before 4pm, then areas of fog and a chance of rain showers between 4pm and 5pm, then a chance of rain showers and patchy fog. Cloudy. High near 68, with temperatures falling to around 66 in the afternoon. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Thornton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Chance Rain Showers | 9 mph S | 44% |
| Tonight | 58°F | Rain Showers | 9 mph SSE | 94% |
| Wednesday | 64°F | Rain Showers | 8 to 12 mph S | 95% |
| Wednesday Night | 46°F | Rain Showers Likely | 7 to 10 mph SW | 66% |
| Thursday | 54°F | Rain Showers | 7 to 13 mph WNW | 91% |
| Thursday Night | 35°F | Chance Rain Showers then Mostly Cloudy | 14 mph N | 32% |
| Friday | 47°F | Partly Sunny | 6 to 13 mph N | 6% |
| Friday Night | 28°F | Partly Cloudy | 2 mph N | 2% |
| Saturday | 50°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 31°F | Partly Cloudy | 1 to 5 mph W | 9% |
| Sunday | 56°F | Mostly Sunny | 5 to 9 mph WNW | 9% |
| Sunday Night | 32°F | Partly Cloudy | 2 to 6 mph W | 3% |
| Monday | 58°F | Mostly Sunny | 3 to 10 mph WSW | 1% |
| Monday Night | 37°F | Partly Cloudy | 7 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Thornton (44.799, -88.691). Updated through the day.
Growing snapshot for Thornton
Last spring frost
May 9
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
5a
More local growing data for Thornton: nearby ZIP 54166 weather · frost dates · planting calendar · Wisconsin frost dates
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Climate data from the nearest NOAA station, Shawano 2Ssw, Wi (1.3 mi from Thornton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.