Cobb, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cobb, a village in Iowa County, Wisconsin.
Today
80°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cobb
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 39% |
| Tonight | 60°F | Chance Showers And Thunderstorms then Patchy Fog | 5 mph NW | 79% |
| Wednesday | 75°F | Areas Of Fog then Mostly Cloudy | 5 mph NW | 31% |
| Wednesday Night | 55°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 19% |
| Thursday | 77°F | Sunny | 0 mph | 8% |
| Thursday Night | 58°F | Mostly Clear | 0 mph | 0% |
| Friday | 80°F | Sunny | 0 to 10 mph S | 3% |
| Friday Night | 63°F | Mostly Clear | 5 mph S | 7% |
| Saturday | 82°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 26% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 10 mph SW | 26% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 46% |
| Monday | 82°F | Chance Rain Showers | 5 to 10 mph S | 46% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 40% |
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 Aug 4, 2026.