Middletown, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a community in Shiawassee County, Michigan.
Overnight
61°F
Partly Cloudy
Partly cloudy. Low around 61, with temperatures rising to around 63 overnight. South southeast wind around 12 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Partly Cloudy | 12 mph SSE | 9% |
| Wednesday | 70°F | Light Rain | 13 to 16 mph S | 93% |
| Wednesday Night | 49°F | Chance Light Rain then Mostly Cloudy | 7 to 12 mph SSW | 29% |
| Thursday | 58°F | Mostly Cloudy then Chance Light Rain | 9 to 14 mph SW | 25% |
| Thursday Night | 41°F | Light Rain Likely | 3 to 8 mph W | 58% |
| Friday | 50°F | Light Rain Likely | 5 to 10 mph NW | 58% |
| Friday Night | 33°F | Light Rain Likely | 6 to 10 mph NNW | 58% |
| Saturday | 50°F | Partly Sunny | 6 to 9 mph NW | 7% |
| Saturday Night | 30°F | Partly Cloudy | 5 mph W | 1% |
| Sunday | 55°F | Mostly Sunny | 5 to 13 mph W | 6% |
| Sunday Night | 32°F | Mostly Clear | 5 to 9 mph W | 6% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 38°F | Partly Cloudy | 8 mph WSW | 4% |
| Tuesday | 60°F | Mostly Sunny then Slight Chance Light Rain | 7 to 12 mph W | 15% |
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
Bancroft
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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 Nov 4, 2026.