Otsego, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Otsego, a city in Allegan County, Michigan.
Overnight
56°F
Clear
Clear. Low around 56, with temperatures rising to around 58 overnight. South wind around 2 mph.
7-day forecast for Otsego
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Clear | 2 mph S | 0% |
| Tuesday | 84°F | Sunny | 2 to 7 mph SSW | 0% |
| Tuesday Night | 60°F | Mostly Clear | 2 to 6 mph SSW | 0% |
| Wednesday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 8 mph SW | 44% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 7 mph WSW | 86% |
| Thursday | 79°F | Showers And Thunderstorms | 1 to 6 mph SW | 86% |
| Thursday Night | 58°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 6 mph WSW | 51% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SW | 10% |
| Friday Night | 59°F | Mostly Clear | 0 to 5 mph WSW | 10% |
| Saturday | 84°F | Sunny | 1 to 9 mph SW | 10% |
| Saturday Night | 65°F | Chance Rain Showers | 2 to 8 mph SW | 27% |
| Sunday | 85°F | Chance Rain Showers | 5 to 13 mph SW | 27% |
| Sunday Night | 65°F | Chance Rain Showers | 5 to 12 mph SW | 45% |
| Monday | 84°F | Chance Rain Showers | 5 to 9 mph WSW | 45% |
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 Aug 4, 2026.