Monona, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monona, a city in Dane County, Wisconsin.
This Afternoon
70°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. High near 70, with temperatures falling to around 64 in the afternoon. East wind around 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Monona
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Chance Rain Showers | 15 mph E | 41% |
| Tonight | 59°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 10 to 15 mph E | 97% |
| Saturday | 73°F | Showers And Thunderstorms | 5 to 15 mph SE | 92% |
| Saturday Night | 58°F | Showers And Thunderstorms | 5 to 15 mph NE | 77% |
| Sunday | 68°F | Chance Rain Showers | 15 mph NE | 41% |
| Sunday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 15 to 20 mph NE | 19% |
| Monday | 63°F | Chance Rain Showers | 15 mph NE | 32% |
| Monday Night | 48°F | Chance Rain Showers | 5 to 15 mph NE | 32% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 5 to 15 mph NE | 23% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 8% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph NE | 6% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 6% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Monona (43.054, -89.334). Updated through the day.
Growing snapshot for Monona
Last spring frost
May 1
First fall frost
Oct 10
Growing season
160 days
Hardiness zone
5b
More local growing data for Monona: nearby ZIP 53716 weather · frost dates · planting calendar · Wisconsin frost dates
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Climate data from the nearest NOAA station, Madison Dane Rgnl Ap, Wi (5.4 mi from Monona). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.