Bay City, WI Weather & Growing Conditions
This Afternoon
60°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 60. East wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Showers And Thunderstorms | 15 mph E | 90% |
| Tonight | 53°F | Patchy Fog | 15 mph E | 93% |
| Saturday | 63°F | Rain Showers Likely then Drizzle Likely | 10 mph ENE | 74% |
| Saturday Night | 52°F | Slight Chance Drizzle then Mostly Cloudy | 10 mph NE | 22% |
| Sunday | 67°F | Partly Sunny | 10 mph NE | 5% |
| Sunday Night | 47°F | Mostly Cloudy | 5 to 10 mph ENE | 4% |
| Monday | 63°F | Mostly Cloudy | 10 mph ENE | 10% |
| Monday Night | 42°F | Mostly Cloudy | 5 mph ENE | 10% |
| Tuesday | 63°F | Mostly Sunny | 5 mph E | 7% |
| Tuesday Night | 43°F | Mostly Clear | 0 to 5 mph E | 3% |
| Wednesday | 66°F | Sunny | 5 mph ESE | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 0 to 5 mph SE | 7% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph SSE | 10% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bay City, WI
Last spring frost
May 13
First fall frost
Sep 29
Growing season
139 days
Hardiness zone
4b
Explore more for Bay City, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Ellsworth 1E, Wi (8.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.