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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
58°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy. Low around 58, with temperatures rising to around 60 overnight. Northeast wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for South Monroe

WhenTempForecastWindPrecip
Overnight 58°F Slight Chance Rain Showers 6 mph NE 20%
Saturday 71°F Rain Showers 5 to 9 mph E 76%
Saturday Night 61°F Showers And Thunderstorms Likely 5 to 9 mph SE 72%
Sunday 70°F Showers And Thunderstorms 7 to 13 mph NNW 77%
Sunday Night 53°F Mostly Cloudy 14 mph NE 11%
Monday 64°F Mostly Cloudy 13 to 16 mph NE 10%
Monday Night 51°F Mostly Cloudy 15 mph NE 14%
Tuesday 63°F Mostly Cloudy then Slight Chance Rain Showers 16 to 20 mph NE 21%
Tuesday Night 52°F Chance Rain Showers 18 mph ENE 51%
Wednesday 63°F Rain Showers Likely 18 mph ENE 58%
Wednesday Night 52°F Rain Showers Likely 9 to 16 mph ENE 58%
Thursday 65°F Slight Chance Rain Showers 13 mph ENE 21%
Thursday Night 52°F Mostly Cloudy 6 to 12 mph NE 13%
Friday 68°F Mostly Sunny 8 to 12 mph NE 11%

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

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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 Sep 19, 2026.