South Monroe, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Monroe, a community in Monroe County, Michigan.
Today
81°F
Sunny
Sunny, with a high near 81. South southwest wind 2 to 7 mph.
7-day forecast for South Monroe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 2 to 7 mph SSW | 0% |
| Tonight | 60°F | Mostly Clear | 1 to 7 mph S | 0% |
| Wednesday | 86°F | Sunny | 1 to 7 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 6 mph SSW | 9% |
| Thursday | 84°F | Showers And Thunderstorms Likely | 3 to 8 mph WSW | 62% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely | 2 to 6 mph WSW | 62% |
| Friday | 84°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph SW | 60% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 6 mph SW | 49% |
| Saturday | 86°F | Mostly Sunny | 5 to 9 mph SW | 10% |
| Saturday Night | 66°F | Mostly Clear then Slight Chance Rain Showers | 5 to 9 mph SW | 23% |
| Sunday | 88°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 23% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 8 to 14 mph SW | 43% |
| Monday | 87°F | Chance Rain Showers | 8 to 12 mph WSW | 43% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 51% |
Forecast source: National Weather Service (api.weather.gov) for South Monroe (41.893, -83.419). Updated through the day.
Growing snapshot for South Monroe
Last spring frost
Apr 23
First fall frost
Oct 23
Growing season
182 days
Hardiness zone
6b
More local growing data for South Monroe: nearby ZIP 48161 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Carleton
Detroit Beach
Dundee
Estral Beach
Ida
Lambertville
Luna Pier
Maybee
Milan
Monroe
Petersburg
South Rockwood
Stony Point
Temperance
West Monroe
Woodland Beach
Climate data from the nearest NOAA station, Monroe, Mi (2.9 mi from South Monroe). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.