Tunnel City, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tunnel City, a community in Monroe County, Wisconsin.
This Afternoon
63°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. High near 63, with temperatures falling to around 61 in the afternoon. Northeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Tunnel City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Chance Showers And Thunderstorms | 6 mph NE | 36% |
| Tonight | 50°F | Chance Showers And Thunderstorms | 8 mph NE | 39% |
| Sunday | 68°F | Partly Sunny | 7 to 13 mph NE | 6% |
| Sunday Night | 44°F | Mostly Cloudy | 8 mph NE | 4% |
| Monday | 62°F | Mostly Cloudy | 7 to 10 mph E | 11% |
| Monday Night | 42°F | Mostly Cloudy | 3 to 8 mph E | 12% |
| Tuesday | 62°F | Partly Sunny | 3 to 9 mph E | 8% |
| Tuesday Night | 41°F | Partly Cloudy | 5 mph NE | 1% |
| Wednesday | 66°F | Mostly Sunny | 2 to 6 mph E | 1% |
| Wednesday Night | 44°F | Partly Cloudy | 0 to 3 mph E | 1% |
| Thursday | 67°F | Slight Chance Rain Showers | 0 to 3 mph E | 17% |
| Thursday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 1 mph NE | 17% |
| Friday | 71°F | Partly Sunny | 2 mph E | 4% |
| Friday Night | 49°F | Partly Cloudy | 1 mph E | 2% |
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 Sep 19, 2026.