Monroe, WI Weather & Growing Conditions
This Afternoon
70°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny, with a high near 70. East wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Slight Chance Showers And Thunderstorms | 10 mph E | 22% |
| Tonight | 60°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 94% |
| Saturday | 75°F | Showers And Thunderstorms | 5 to 10 mph SE | 89% |
| Saturday Night | 61°F | Showers And Thunderstorms | 5 to 15 mph NE | 80% |
| Sunday | 66°F | Chance Rain Showers | 15 mph NE | 54% |
| Sunday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 15 mph NE | 39% |
| Monday | 62°F | Chance Rain Showers | 15 mph NE | 40% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Tuesday | 61°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Tuesday Night | 48°F | Partly Cloudy | 10 mph NE | 9% |
| Wednesday | 64°F | Mostly Sunny | 10 mph NE | 5% |
| Wednesday Night | 50°F | Partly Cloudy | 5 to 10 mph NE | 2% |
| Thursday | 67°F | Mostly Sunny | 5 mph NE | 6% |
| Thursday Night | 51°F | Partly Cloudy | 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Monroe, WI
Last spring frost
Apr 27
First fall frost
Oct 14
Growing season
170 days
Hardiness zone
5a
Explore more for Monroe, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Monroe Wwtp, Wi (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.