Harman US

Homer, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Homer, a village in Calhoun County, Michigan.

Tonight
54°F
Mostly Cloudy then Chance Rain Showers
A chance of rain showers after 2am. Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. East wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Homer

WhenTempForecastWindPrecip
Tonight 54°F Mostly Cloudy then Chance Rain Showers 7 mph E 47%
Saturday 68°F Showers And Thunderstorms 9 mph ESE 88%
Saturday Night 58°F Showers And Thunderstorms 3 to 7 mph SE 85%
Sunday 67°F Rain Showers Likely 5 to 10 mph NNE 69%
Sunday Night 49°F Chance Rain Showers 10 mph NE 46%
Monday 63°F Chance Rain Showers 13 mph ENE 29%
Monday Night 46°F Mostly Cloudy 12 mph ENE 13%
Tuesday 63°F Partly Sunny then Slight Chance Rain Showers 13 mph NE 24%
Tuesday Night 48°F Chance Rain Showers 8 to 13 mph NE 33%
Wednesday 62°F Chance Rain Showers 10 mph NE 33%
Wednesday Night 49°F Slight Chance Rain Showers then Mostly Cloudy 5 to 9 mph NE 20%
Thursday 65°F Partly Sunny 8 mph NNE 7%
Thursday Night 49°F Mostly Cloudy 2 to 7 mph NNE 7%
Friday 69°F Mostly Sunny 3 to 7 mph NNE 7%

Forecast source: National Weather Service (api.weather.gov) for Homer (42.146, -84.810). Updated through the day.

Growing snapshot for Homer

Last spring frost
May 2
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
6a

More local growing data for Homer: nearby ZIP 49245 weather · frost dates · planting calendar · Michigan frost dates

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Climate data from the nearest NOAA station, Coldwater St School, Mi (15.4 mi from Homer). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.