Bay City, WI Weather & Growing Conditions
This Afternoon
62°F
Light Rain Likely
Rain likely. Cloudy. High near 62, with temperatures falling to around 59 in the afternoon. North wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Light Rain Likely | 5 mph N | 57% |
| Tonight | 52°F | Rain | 5 mph NE | 93% |
| Wednesday | 57°F | Light Rain | 5 to 10 mph SSE | 89% |
| Wednesday Night | 44°F | Light Rain | 10 mph WNW | 91% |
| Thursday | 49°F | Light Rain Likely | 10 to 15 mph N | 61% |
| Thursday Night | 35°F | Mostly Cloudy | 5 to 10 mph NNE | 2% |
| Friday | 47°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 30°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 35°F | Partly Cloudy | 5 mph W | 8% |
| Sunday | 56°F | Mostly Sunny | 5 to 10 mph WNW | 12% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph SW | 2% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph WNW | 0% |
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 Nov 4, 2026.