Cobb, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cobb, a village in Iowa County, Wisconsin.
Overnight
54°F
Chance Light Rain
A chance of rain. Cloudy, with a low around 54. South wind 10 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cobb
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Chance Light Rain | 10 to 15 mph S | 28% |
| Wednesday | 57°F | Chance Light Rain | 15 mph SW | 27% |
| Wednesday Night | 45°F | Chance Light Rain | 15 mph SW | 54% |
| Thursday | 52°F | Light Rain Likely | 10 to 15 mph W | 56% |
| Thursday Night | 38°F | Mostly Cloudy | 10 mph N | 9% |
| Friday | 47°F | Partly Sunny | 5 to 10 mph N | 1% |
| Friday Night | 28°F | Mostly Clear | 0 mph | 0% |
| Saturday | 49°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cobb (42.967, -90.328). Updated through the day.
Growing snapshot for Cobb
Last spring frost
May 3
First fall frost
Oct 7
Growing season
157 days
Hardiness zone
5a
More local growing data for Cobb: nearby ZIP 53526 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dodgeville Wwtp, Wi (11.6 mi from Cobb). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.