Tunnel City, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tunnel City, a community in Monroe County, Wisconsin.
Today
58°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 58, with temperatures falling to around 49 in the afternoon. Southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Tunnel City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Rain Showers Likely | 13 mph SW | 65% |
| Tonight | 42°F | Rain Showers Likely | 8 to 13 mph SW | 73% |
| Thursday | 47°F | Rain Showers Likely then Cloudy | 8 to 14 mph NW | 59% |
| Thursday Night | 30°F | Mostly Cloudy | 9 to 13 mph N | 5% |
| Friday | 47°F | Mostly Sunny | 7 to 10 mph N | 0% |
| Friday Night | 23°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Saturday | 51°F | Sunny | 3 to 7 mph W | 0% |
| Saturday Night | 30°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 57°F | Sunny | 3 to 7 mph W | 3% |
| Sunday Night | 31°F | Mostly Clear | 2 mph SW | 0% |
| Monday | 63°F | Sunny | 2 to 10 mph SW | 0% |
| Monday Night | 35°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 33°F | Partly Cloudy | 1 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Tunnel City (44.005, -90.568). Updated through the day.
Growing snapshot for Tunnel City
Last spring frost
May 6
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
4b
More local growing data for Tunnel City: nearby ZIP 54660 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mather 3 Nw, Wi (15.2 mi from Tunnel City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.