Roscommon, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roscommon, a village in Roscommon County, Michigan.
Tonight
57°F
Mostly Cloudy
Mostly cloudy. Low around 57, with temperatures rising to around 59 overnight. South wind 5 to 10 mph.
7-day forecast for Roscommon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Cloudy | 5 to 10 mph S | 9% |
| Wednesday | 68°F | Rain Showers | 10 to 15 mph S | 87% |
| Wednesday Night | 46°F | Rain Showers Likely | 5 to 10 mph SW | 63% |
| Thursday | 54°F | Rain Showers | 5 to 10 mph SW | 87% |
| Thursday Night | 36°F | Rain Showers | 0 to 10 mph NW | 87% |
| Friday | 47°F | Rain Showers | 10 mph N | 83% |
| Friday Night | 29°F | Chance Rain Showers | 5 mph N | 35% |
| Saturday | 49°F | Mostly Sunny | 5 mph NW | 8% |
| Saturday Night | 28°F | Partly Cloudy | 0 to 5 mph W | 7% |
| Sunday | 53°F | Partly Sunny then Slight Chance Rain Showers | 5 to 10 mph W | 19% |
| Sunday Night | 31°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph NW | 19% |
| Monday | 55°F | Partly Sunny | 5 to 10 mph W | 11% |
| Monday Night | 35°F | Partly Cloudy | 5 to 10 mph W | 11% |
| Tuesday | 56°F | Mostly Sunny | 5 to 15 mph NW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Roscommon (44.488, -84.590). Updated through the day.
Growing snapshot for Roscommon
Last spring frost
May 19
First fall frost
Sep 23
Growing season
125 days
Hardiness zone
5a
More local growing data for Roscommon: nearby ZIP 48653 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Houghton Lk Roscommon Ap, Mi (9.7 mi from Roscommon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.