Junction City, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Junction City, a village in Portage County, Wisconsin.
This Afternoon
67°F
Rain Showers
Rain showers before 3pm, then patchy fog and scattered rain showers. Cloudy, with a high near 67. South wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Junction City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain Showers | 13 mph S | 98% |
| Tonight | 58°F | Rain Showers | 10 mph SSE | 90% |
| Wednesday | 62°F | Rain Showers | 9 to 13 mph S | 88% |
| Wednesday Night | 45°F | Rain Showers | 8 to 12 mph SW | 82% |
| Thursday | 51°F | Rain Showers | 8 to 15 mph NW | 88% |
| Thursday Night | 34°F | Chance Rain Showers then Mostly Cloudy | 15 mph N | 25% |
| Friday | 47°F | Partly Sunny | 6 to 13 mph N | 3% |
| Friday Night | 28°F | Partly Cloudy | 0 to 3 mph NNW | 1% |
| Saturday | 50°F | Mostly Sunny | 0 to 7 mph W | 0% |
| Saturday Night | 31°F | Partly Cloudy | 6 mph W | 13% |
| Sunday | 55°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 13 mph WNW | 16% |
| Sunday Night | 32°F | Mostly Clear | 5 to 8 mph WSW | 3% |
| Monday | 57°F | Mostly Sunny | 5 to 13 mph SW | 1% |
| Monday Night | 36°F | Partly Cloudy | 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Junction City (44.595, -89.770). Updated through the day.
Growing snapshot for Junction City
Last spring frost
May 4
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
4b
More local growing data for Junction City: nearby ZIP 54443 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Almond
Amherst
Amherst Junction
Bancroft
Nelsonville
Park Ridge
Plover
Polonia
Rosholt
Stevens Point
Whiting
Climate data from the nearest NOAA station, Stevens Pt, Wi (10.6 mi from Junction City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.