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
67°F
Light Rain
Rain. Cloudy. High near 67, with temperatures falling to around 64 in the afternoon. South wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for South Monroe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Light Rain | 16 mph S | 80% |
| Tonight | 50°F | Light Rain Likely then Mostly Cloudy | 9 to 13 mph SSW | 64% |
| Thursday | 61°F | Mostly Cloudy | 9 to 16 mph SW | 5% |
| Thursday Night | 43°F | Chance Light Rain | 7 to 10 mph W | 34% |
| Friday | 54°F | Chance Light Rain | 9 to 14 mph WNW | 48% |
| Friday Night | 35°F | Chance Light Rain | 10 mph NW | 42% |
| Saturday | 52°F | Partly Sunny | 9 to 13 mph NW | 18% |
| Saturday Night | 32°F | Partly Cloudy | 5 to 8 mph WNW | 3% |
| Sunday | 56°F | Sunny | 6 to 14 mph W | 5% |
| Sunday Night | 32°F | Mostly Clear | 6 to 10 mph W | 5% |
| Monday | 58°F | Sunny | 6 to 12 mph W | 3% |
| Monday Night | 36°F | Mostly Clear | 9 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 8 to 12 mph W | 2% |
| Tuesday Night | 34°F | Partly Cloudy | 3 to 8 mph WNW | 15% |
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 Nov 4, 2026.