Tunnel City, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tunnel City, a community in Monroe County, Wisconsin.
Overnight
55°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. Low around 55, with temperatures rising to around 57 overnight. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Tunnel City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Chance Rain Showers | 6 mph S | 30% |
| Wednesday | 60°F | Rain Showers | 7 to 12 mph S | 80% |
| Wednesday Night | 42°F | Rain Showers | 6 to 9 mph SW | 79% |
| Thursday | 53°F | Rain Showers | 6 to 12 mph NW | 80% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 9 mph N | 9% |
| Friday | 47°F | Partly Sunny | 1 to 7 mph N | 0% |
| Friday Night | 25°F | Mostly Clear | 0 mph | 0% |
| Saturday | 50°F | Sunny | 0 to 3 mph W | 0% |
| Saturday Night | 30°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 55°F | Sunny | 3 to 9 mph W | 6% |
| Sunday Night | 31°F | Mostly Clear | 2 mph SW | 0% |
| Monday | 60°F | Mostly Sunny | 2 to 10 mph SW | 0% |
| Monday Night | 36°F | Partly Cloudy | 5 mph W | 1% |
| Tuesday | 58°F | Sunny | 5 mph NW | 0% |
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.