South Monroe, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Monroe, a community in Monroe County, Michigan.
Overnight
61°F
Slight Chance Light Rain
A slight chance of rain. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. South wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for South Monroe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Slight Chance Light Rain | 10 mph S | 18% |
| Wednesday | 67°F | Light Rain | 12 to 17 mph S | 99% |
| Wednesday Night | 50°F | Light Rain Likely then Mostly Cloudy | 8 to 14 mph SW | 64% |
| Thursday | 61°F | Mostly Cloudy | 9 to 16 mph SW | 5% |
| Thursday Night | 43°F | Mostly Cloudy then Chance Light Rain | 5 to 9 mph W | 34% |
| Friday | 54°F | Chance Light Rain | 5 to 10 mph NW | 48% |
| Friday Night | 35°F | Chance Light Rain | 9 mph NW | 42% |
| Saturday | 52°F | Slight Chance Light Rain then Partly Sunny | 12 mph NW | 18% |
| Saturday Night | 32°F | Partly Cloudy | 5 to 8 mph WNW | 3% |
| Sunday | 56°F | Mostly Sunny | 6 to 14 mph W | 5% |
| Sunday Night | 32°F | Partly Cloudy | 6 to 10 mph W | 5% |
| Monday | 58°F | Sunny | 6 to 12 mph WSW | 3% |
| Monday Night | 36°F | Partly Cloudy | 9 mph SW | 1% |
| Tuesday | 61°F | Mostly Sunny | 8 to 13 mph W | 2% |
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.