Arena, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arena, a village in Iowa County, Wisconsin.
Tonight
56°F
Light Rain
Rain. Cloudy, with a low around 56. South wind 5 to 10 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Arena
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Light Rain | 5 to 10 mph S | 75% |
| Wednesday | 58°F | Chance Light Rain | 10 to 15 mph SW | 36% |
| Wednesday Night | 47°F | Chance Light Rain | 10 to 15 mph SW | 47% |
| Thursday | 53°F | Chance Light Rain | 10 mph W | 52% |
| Thursday Night | 40°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 10 mph N | 22% |
| Friday | 48°F | Slight Chance Light Rain then Partly Sunny | 5 to 10 mph N | 15% |
| Friday Night | 31°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph W | 5% |
| Sunday | 59°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph W | 4% |
| Monday | 60°F | Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 1% |
| Tuesday | 60°F | Sunny | 5 mph W | 1% |
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 Nov 4, 2026.