Arena, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arena, a village in Iowa County, Wisconsin.
Today
70°F
Showers And Thunderstorms
Showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 11am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 70. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
7-day forecast for Arena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Showers And Thunderstorms | 5 mph E | 99% |
| Tonight | 58°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 74% |
| Sunday | 66°F | Chance Rain Showers then Cloudy | 10 to 15 mph NE | 43% |
| Sunday Night | 50°F | Mostly Cloudy | 10 to 15 mph NE | 9% |
| Monday | 62°F | Mostly Cloudy | 10 mph NE | 10% |
| Monday Night | 46°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Tuesday | 62°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Tuesday Night | 45°F | Partly Cloudy | 0 to 10 mph NE | 3% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 67°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Friday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Arena (43.164, -89.907). Updated through the day.
Growing snapshot for Arena
Last spring frost
May 7
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
5a
More local growing data for Arena: nearby ZIP 53503 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mazomanie Wwtp, Wi (7.2 mi from Arena). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.