Middletown, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a community in Shiawassee County, Michigan.
Today
88°F
Sunny
Sunny, with a high near 88. Southwest wind 5 to 8 mph.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 5 to 8 mph SW | 0% |
| Tonight | 62°F | Mostly Clear | 3 to 7 mph SSW | 0% |
| Wednesday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph SW | 27% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 8 mph W | 80% |
| Thursday | 81°F | Showers And Thunderstorms | 1 to 6 mph WSW | 80% |
| Thursday Night | 62°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 39% |
| Friday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 19% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 3 mph WSW | 19% |
| Saturday | 88°F | Sunny | 3 to 10 mph SW | 4% |
| Saturday Night | 67°F | Mostly Clear then Chance Rain Showers | 3 to 9 mph SW | 28% |
| Sunday | 89°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 14 mph SW | 28% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 12 mph WSW | 51% |
| Monday | 87°F | Chance Rain Showers | 8 mph W | 51% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 3 to 7 mph WSW | 47% |
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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Byron
Corunna
Durand
Henderson
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Lennon
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New Lothrop
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 Aug 4, 2026.