Junction City, WI Weather & Growing Conditions
Overnight
58°F
Rain Showers Likely
Rain showers likely and areas of fog. Cloudy, with a low around 58. South southeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Rain Showers Likely | 10 mph SSE | 72% |
| Wednesday | 61°F | Rain Showers | 10 to 14 mph S | 82% |
| Wednesday Night | 43°F | Rain Showers | 7 to 12 mph SW | 75% |
| Thursday | 50°F | Rain Showers Likely then Mostly Cloudy | 7 to 17 mph NNW | 63% |
| Thursday Night | 32°F | Mostly Cloudy | 10 to 16 mph N | 3% |
| Friday | 46°F | Partly Sunny | 5 to 12 mph N | 0% |
| Friday Night | 26°F | Mostly Clear | 0 to 3 mph N | 0% |
| Saturday | 48°F | Sunny | 0 to 7 mph WNW | 0% |
| Saturday Night | 30°F | Partly Cloudy | 7 mph W | 5% |
| Sunday | 53°F | Sunny | 8 to 13 mph WNW | 7% |
| Sunday Night | 31°F | Mostly Clear | 3 to 8 mph W | 1% |
| Monday | 57°F | Mostly Sunny | 3 to 12 mph SW | 0% |
| Monday Night | 35°F | Partly Cloudy | 6 to 9 mph W | 1% |
| Tuesday | 55°F | Sunny | 6 to 10 mph WNW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Junction City, WI
Last spring frost
May 4
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
4b
Explore more for Junction City, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Stevens Pt, Wi (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.