Monroe, WI Weather & Growing Conditions
Overnight
55°F
Chance Light Rain
A chance of rain. Cloudy, with a low around 55. South wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Chance Light Rain | 10 to 15 mph S | 52% |
| Wednesday | 58°F | Slight Chance Light Rain | 15 mph SW | 21% |
| Wednesday Night | 45°F | Cloudy then Slight Chance Light Rain | 15 mph SW | 21% |
| Thursday | 53°F | Light Rain Likely | 10 to 15 mph W | 57% |
| Thursday Night | 40°F | Mostly Cloudy | 10 to 15 mph N | 12% |
| Friday | 48°F | Partly Sunny | 5 to 15 mph N | 3% |
| Friday Night | 30°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 50°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 0% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 60°F | Sunny | 5 mph NW | 0% |
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 Nov 4, 2026.