Corunna, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Corunna, a city in Shiawassee County, Michigan.
Today
87°F
Sunny
Sunny, with a high near 87. Southwest wind around 8 mph.
7-day forecast for Corunna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 8 mph SW | 0% |
| Tonight | 61°F | Mostly Clear | 7 mph SSW | 0% |
| Wednesday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 9 mph SW | 26% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 2 to 8 mph W | 79% |
| Thursday | 81°F | Showers And Thunderstorms | 6 mph WSW | 79% |
| Thursday Night | 61°F | Chance Showers And Thunderstorms | 1 to 6 mph SSE | 39% |
| Friday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 19% |
| Friday Night | 62°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 to 6 mph WSW | 19% |
| Saturday | 88°F | Sunny | 3 to 10 mph SW | 4% |
| Saturday Night | 66°F | Mostly Clear then Chance Rain Showers | 3 to 10 mph SW | 28% |
| Sunday | 89°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 14 mph SW | 28% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 6 to 13 mph WSW | 51% |
| Monday | 86°F | Chance Rain Showers | 6 to 9 mph W | 51% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 to 8 mph WSW | 47% |
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
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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 Aug 4, 2026.