Cobb, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cobb, a village in Iowa County, Wisconsin.
Tonight
54°F
Light Rain Likely
Rain likely. Cloudy, with a low around 54. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Cobb
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Light Rain Likely | 10 to 15 mph S | 72% |
| Wednesday | 56°F | Chance Light Rain | 15 mph SW | 31% |
| Wednesday Night | 46°F | Chance Light Rain | 15 mph SW | 35% |
| Thursday | 51°F | Light Rain Likely | 10 to 15 mph W | 63% |
| Thursday Night | 39°F | Slight Chance Light Rain then Mostly Cloudy | 10 mph N | 21% |
| Friday | 48°F | Partly Sunny | 5 to 10 mph N | 11% |
| Friday Night | 31°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph W | 3% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SW | 4% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph W | 1% |
| Tuesday | 59°F | Sunny | 5 to 10 mph W | 1% |
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.