Ortonville, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ortonville, a village in Oakland County, Michigan.
Today
86°F
Sunny
Sunny, with a high near 86. Southwest wind around 6 mph.
7-day forecast for Ortonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 6 mph SW | 0% |
| Tonight | 60°F | Mostly Clear | 2 to 7 mph SSW | 0% |
| Wednesday | 87°F | Sunny | 2 to 7 mph SSW | 4% |
| Wednesday Night | 64°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph WSW | 66% |
| Thursday | 81°F | Showers And Thunderstorms Likely | 2 to 6 mph WSW | 73% |
| Thursday Night | 62°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 73% |
| Friday | 84°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 31% |
| Friday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 31% |
| Saturday | 87°F | Sunny | 2 to 8 mph SW | 7% |
| Saturday Night | 66°F | Chance Rain Showers | 3 to 7 mph SW | 28% |
| Sunday | 88°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 13 mph SW | 28% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 12 mph WSW | 46% |
| Monday | 86°F | Chance Rain Showers | 8 mph WSW | 46% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 7 mph WSW | 44% |
Forecast source: National Weather Service (api.weather.gov) for Ortonville (42.848, -83.438). Updated through the day.
Growing snapshot for Ortonville
Last spring frost
May 1
First fall frost
Oct 14
Growing season
164 days
Hardiness zone
6a
More local growing data for Ortonville: nearby ZIP 48462 weather · frost dates · planting calendar · Michigan frost dates
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Climate data from the nearest NOAA station, Goodrich, Mi (6.5 mi from Ortonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.