Corunna, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Corunna, a city in Shiawassee County, Michigan.
Overnight
62°F
Partly Cloudy
Partly cloudy. Low around 62, with temperatures rising to around 64 overnight. South southeast wind around 13 mph, with gusts as high as 24 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Corunna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Partly Cloudy | 13 mph SSE | 9% |
| Wednesday | 70°F | Light Rain | 16 mph S | 93% |
| Wednesday Night | 50°F | Chance Light Rain then Mostly Cloudy | 8 to 13 mph SSW | 33% |
| Thursday | 58°F | Mostly Cloudy then Slight Chance Light Rain | 10 to 14 mph SW | 24% |
| Thursday Night | 41°F | Light Rain Likely | 5 to 8 mph W | 58% |
| Friday | 50°F | Light Rain Likely | 6 to 10 mph NW | 58% |
| Friday Night | 33°F | Light Rain Likely | 6 to 10 mph NNW | 58% |
| Saturday | 50°F | Partly Sunny | 9 mph NW | 8% |
| Saturday Night | 30°F | Partly Cloudy | 6 mph W | 1% |
| Sunday | 55°F | Mostly Sunny | 6 to 13 mph W | 6% |
| Sunday Night | 32°F | Mostly Clear | 5 to 10 mph W | 6% |
| Monday | 58°F | Mostly Sunny | 6 to 10 mph WSW | 1% |
| Monday Night | 38°F | Partly Cloudy | 8 mph WSW | 5% |
| Tuesday | 60°F | Mostly Sunny then Slight Chance Light Rain | 8 to 12 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Corunna (42.983, -84.116). Updated through the day.
Growing snapshot for Corunna
Last spring frost
May 1
First fall frost
Oct 15
Growing season
164 days
Hardiness zone
6a
More local growing data for Corunna: nearby ZIP 48867 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Bancroft
Byron
Durand
Henderson
Laingsburg
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Middletown
Morrice
New Lothrop
Owosso
Perry
Shaftsburg
Vernon
Climate data from the nearest NOAA station, Owosso Wwtp, Mi (0.8 mi from Corunna). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.