Shaftsburg, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shaftsburg, a community in Shiawassee County, Michigan.
Tonight
62°F
Partly Cloudy
Partly cloudy, with a low around 62. South southeast wind around 13 mph, with gusts as high as 25 mph.
7-day forecast for Shaftsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Partly Cloudy | 13 mph SSE | 6% |
| Wednesday | 70°F | Light Rain | 13 to 16 mph S | 89% |
| Wednesday Night | 50°F | Chance Light Rain then Mostly Cloudy | 8 to 12 mph SSW | 44% |
| Thursday | 59°F | Mostly Cloudy then Slight Chance Light Rain | 9 to 14 mph SW | 22% |
| Thursday Night | 44°F | Chance Light Rain | 3 to 8 mph W | 45% |
| Friday | 52°F | Chance Light Rain | 3 to 9 mph NW | 50% |
| Friday Night | 36°F | Chance Light Rain | 9 mph NNW | 45% |
| Saturday | 50°F | Partly Sunny | 8 mph NW | 14% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph WSW | 4% |
| Sunday | 55°F | Mostly Sunny then Slight Chance Light Rain | 5 to 10 mph W | 16% |
| Sunday Night | 34°F | Slight Chance Light Rain then Partly Cloudy | 6 to 9 mph WNW | 16% |
| Monday | 57°F | Mostly Sunny | 6 to 12 mph W | 9% |
| Monday Night | 39°F | Partly Cloudy | 9 mph WSW | 9% |
| Tuesday | 59°F | Mostly Sunny | 8 to 13 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Shaftsburg (42.808, -84.300). Updated through the day.
Growing snapshot for Shaftsburg
Last spring frost
May 3
First fall frost
Oct 11
Growing season
159 days
Hardiness zone
6a
More local growing data for Shaftsburg: nearby ZIP 48872 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Bancroft
Byron
Corunna
Durand
Henderson
Laingsburg
Lake Victoria
Lennon
Middletown
Morrice
New Lothrop
Owosso
Perry
Vernon
Climate data from the nearest NOAA station, Durand Wwtp, Mi (14.8 mi from Shaftsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.