Junction City, WI Weather & Growing Conditions
Today
62°F
Rain Showers Likely
Rain showers likely before 1pm, then showers and thunderstorms likely. Cloudy, with a high near 62. East wind 9 to 13 mph, with gusts as high as 21 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 |
|---|---|---|---|---|
| Today | 62°F | Rain Showers Likely | 9 to 13 mph E | 66% |
| Tonight | 50°F | Chance Showers And Thunderstorms then Mostly Cloudy | 10 mph NE | 50% |
| Sunday | 67°F | Mostly Sunny | 9 to 14 mph NE | 2% |
| Sunday Night | 43°F | Mostly Cloudy | 12 mph NE | 0% |
| Monday | 62°F | Mostly Cloudy | 13 mph ENE | 1% |
| Monday Night | 40°F | Mostly Cloudy | 9 mph ENE | 1% |
| Tuesday | 63°F | Sunny | 7 to 12 mph ENE | 2% |
| Tuesday Night | 41°F | Mostly Clear | 5 to 9 mph ENE | 2% |
| Wednesday | 66°F | Sunny | 6 to 9 mph ENE | 1% |
| Wednesday Night | 43°F | Mostly Clear | 3 to 7 mph ENE | 1% |
| Thursday | 68°F | Mostly Sunny | 6 mph ENE | 3% |
| Thursday Night | 45°F | Partly Cloudy | 1 to 5 mph ENE | 3% |
| Friday | 71°F | Mostly Sunny | 2 to 6 mph E | 3% |
| Friday Night | 46°F | Partly Cloudy | 5 mph ESE | 4% |
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 Sep 19, 2026.