Arena, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arena, a village in Iowa County, Wisconsin.
Today
80°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Southwest wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Arena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph SW | 33% |
| Tonight | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph NW | 76% |
| Wednesday | 76°F | Areas Of Fog then Partly Sunny | 0 to 5 mph W | 37% |
| Wednesday Night | 56°F | Partly Cloudy | 0 mph | 12% |
| Thursday | 78°F | Sunny | 0 mph | 1% |
| Thursday Night | 58°F | Mostly Clear | 0 mph | 1% |
| Friday | 81°F | Sunny | 0 to 5 mph SW | 2% |
| Friday Night | 63°F | Mostly Clear | 0 to 5 mph S | 7% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Saturday Night | 68°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph SW | 27% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 27% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 50% |
| Monday | 82°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph S | 50% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph N | 40% |
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 Aug 4, 2026.