Otsego, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Otsego, a city in Allegan County, Michigan.
Overnight
61°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy. Low around 61, with temperatures rising to around 64 overnight. South wind around 13 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
7-day forecast for Otsego
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Slight Chance Rain Showers | 13 mph S | 24% |
| Wednesday | 69°F | Rain Showers | 12 to 15 mph SSW | 93% |
| Wednesday Night | 47°F | Slight Chance Rain Showers | 7 to 12 mph SW | 20% |
| Thursday | 56°F | Chance Rain Showers | 13 mph SW | 43% |
| Thursday Night | 39°F | Rain Showers Likely | 3 to 9 mph W | 58% |
| Friday | 51°F | Chance Rain Showers | 6 to 9 mph NNW | 40% |
| Friday Night | 32°F | Chance Rain Showers then Mostly Cloudy | 2 to 9 mph NNW | 39% |
| Saturday | 51°F | Mostly Sunny | 2 to 8 mph NW | 4% |
| Saturday Night | 31°F | Partly Cloudy | 1 to 5 mph W | 1% |
| Sunday | 55°F | Mostly Sunny then Slight Chance Rain Showers | 2 to 13 mph W | 15% |
| Sunday Night | 33°F | Slight Chance Rain Showers then Partly Cloudy | 1 to 8 mph W | 15% |
| Monday | 59°F | Mostly Sunny | 1 to 9 mph WSW | 3% |
| Monday Night | 38°F | Partly Cloudy | 7 mph SW | 2% |
| Tuesday | 61°F | Mostly Sunny | 5 to 10 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Otsego (42.458, -85.699). Updated through the day.
Growing snapshot for Otsego
Last spring frost
May 4
First fall frost
Oct 15
Growing season
160 days
Hardiness zone
6a
More local growing data for Otsego: nearby ZIP 49078 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Allegan 5Ne, Mi (8 mi from Otsego). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.