Middletown, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a community in Shiawassee County, Michigan.
Tonight
58°F
Patchy Fog then Rain Showers Likely
Patchy fog and a slight chance of rain showers before 1am, then rain showers likely and patchy fog. Cloudy, with a low around 58. East northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Patchy Fog then Rain Showers Likely | 5 mph ENE | 66% |
| Sunday | 68°F | Rain Showers | 6 to 13 mph NE | 75% |
| Sunday Night | 50°F | Mostly Cloudy | 7 to 13 mph NE | 10% |
| Monday | 63°F | Mostly Cloudy | 9 to 13 mph NE | 10% |
| Monday Night | 47°F | Mostly Cloudy | 7 to 12 mph NE | 4% |
| Tuesday | 62°F | Partly Sunny | 7 to 14 mph ENE | 5% |
| Tuesday Night | 49°F | Slight Chance Rain Showers | 9 to 13 mph ENE | 24% |
| Wednesday | 62°F | Chance Rain Showers | 13 mph ENE | 42% |
| Wednesday Night | 50°F | Chance Rain Showers | 6 to 10 mph ENE | 42% |
| Thursday | 66°F | Partly Sunny | 6 to 9 mph ENE | 9% |
| Thursday Night | 49°F | Mostly Cloudy | 2 to 7 mph ENE | 9% |
| Friday | 70°F | Partly Sunny | 2 to 7 mph NE | 8% |
| Friday Night | 48°F | Partly Cloudy | 0 to 6 mph NNE | 4% |
| Saturday | 71°F | Mostly Sunny | 1 to 6 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Middletown (42.987, -84.143). Updated through the day.
Growing snapshot for Middletown
Last spring frost
May 1
First fall frost
Oct 15
Growing season
164 days
Hardiness zone
6a
More local growing data for Middletown: nearby ZIP 48867 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
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Corunna
Durand
Henderson
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Lennon
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Owosso
Perry
Shaftsburg
Vernon
Climate data from the nearest NOAA station, Owosso Wwtp, Mi (0.8 mi from Middletown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.