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
64°F
Showers And Thunderstorms
Rain showers likely before 4pm, then showers and thunderstorms. Mostly cloudy. High near 64, with temperatures falling to around 62 in the afternoon. East wind 8 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Tunnel City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Showers And Thunderstorms | 8 to 12 mph E | 75% |
| Tonight | 52°F | Showers And Thunderstorms | 9 to 13 mph E | 90% |
| Saturday | 66°F | Showers And Thunderstorms Likely | 9 mph E | 66% |
| Saturday Night | 50°F | Rain Showers Likely | 7 mph NE | 70% |
| Sunday | 68°F | Partly Sunny | 8 to 12 mph NE | 11% |
| Sunday Night | 45°F | Mostly Cloudy | 8 mph NE | 4% |
| Monday | 63°F | Mostly Cloudy | 7 to 10 mph E | 13% |
| Monday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 3 to 8 mph NE | 21% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 5 to 8 mph E | 21% |
| Tuesday Night | 41°F | Partly Cloudy | 1 to 5 mph NE | 3% |
| Wednesday | 65°F | Sunny | 1 to 5 mph E | 2% |
| Wednesday Night | 44°F | Partly Cloudy | 1 mph NE | 3% |
| Thursday | 69°F | Mostly Sunny | 2 mph E | 6% |
| Thursday Night | 46°F | Partly Cloudy | 1 mph NE | 6% |
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 18, 2026.