Cobb, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cobb, a village in Iowa County, Wisconsin.
This Afternoon
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy, with a high near 69. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Cobb
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Chance Showers And Thunderstorms | 5 mph E | 37% |
| Tonight | 58°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 62% |
| Sunday | 64°F | Scattered Rain Showers then Cloudy | 10 to 15 mph NE | 32% |
| Sunday Night | 52°F | Mostly Cloudy | 15 mph NE | 3% |
| Monday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 36% |
| Monday Night | 48°F | Chance Rain Showers | 10 mph NE | 36% |
| Tuesday | 61°F | Slight Chance Rain Showers | 10 mph NE | 22% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Thursday | 67°F | Partly Sunny | 0 to 5 mph E | 8% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph E | 9% |
| Friday | 70°F | Partly Sunny | 0 to 5 mph NE | 4% |
| Friday Night | 52°F | Partly Cloudy | 0 mph | 4% |
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 Sep 20, 2026.