Forest Junction, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Forest Junction, a community in Calumet County, Wisconsin.
Tonight
56°F
Rain Showers
Rain showers before 1am, then showers and thunderstorms. Cloudy, with a low around 56. East wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Forest Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain Showers | 7 to 13 mph E | 90% |
| Saturday | 63°F | Showers And Thunderstorms | 10 to 14 mph ESE | 91% |
| Saturday Night | 55°F | Rain Showers Likely | 12 mph NE | 72% |
| Sunday | 66°F | Slight Chance Rain Showers then Partly Sunny | 12 to 16 mph NE | 24% |
| Sunday Night | 51°F | Mostly Cloudy | 10 to 15 mph NE | 1% |
| Monday | 61°F | Mostly Cloudy | 10 to 14 mph ENE | 4% |
| Monday Night | 47°F | Mostly Cloudy | 7 to 12 mph NE | 6% |
| Tuesday | 61°F | Partly Sunny | 6 to 14 mph ENE | 5% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 8 mph NE | 7% |
| Wednesday | 64°F | Mostly Sunny | 5 to 9 mph NE | 6% |
| Wednesday Night | 49°F | Partly Cloudy | 2 to 6 mph NE | 3% |
| Thursday | 68°F | Mostly Sunny | 2 to 7 mph NNE | 3% |
| Thursday Night | 50°F | Partly Cloudy | 3 mph NNE | 4% |
| Friday | 71°F | Mostly Sunny | 5 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov) for Forest Junction (44.215, -88.150). Updated through the day.
Growing snapshot for Forest Junction
Last spring frost
May 6
First fall frost
Oct 6
Growing season
151 days
Hardiness zone
5b
More local growing data for Forest Junction: nearby ZIP 54123 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Brillion, Wi (4.9 mi from Forest Junction). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.