Roscommon, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roscommon, a village in Roscommon County, Michigan.
This Afternoon
68°F
Rain Showers
Rain showers. Mostly cloudy. High near 68, with temperatures falling to around 63 in the afternoon. South wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Roscommon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Rain Showers | 10 mph S | 96% |
| Tonight | 44°F | Rain Showers Likely | 5 to 10 mph SW | 71% |
| Thursday | 54°F | Rain Showers | 5 to 10 mph SW | 85% |
| Thursday Night | 29°F | Chance Rain Showers | 10 mph NW | 54% |
| Friday | 44°F | Chance Rain And Snow Showers then Rain And Snow Showers | 10 mph N | 75% |
| Friday Night | 25°F | Rain Showers Likely then Mostly Cloudy | 5 to 10 mph N | 65% |
| Saturday | 49°F | Mostly Sunny | 5 mph NW | 1% |
| Saturday Night | 25°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 55°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph W | 15% |
| Sunday Night | 29°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph NW | 15% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph W | 4% |
| Monday Night | 35°F | Partly Cloudy | 5 to 10 mph W | 1% |
| Tuesday | 57°F | Mostly Sunny | 5 to 10 mph W | 2% |
| Tuesday Night | 29°F | Partly Cloudy | 0 to 5 mph NW | 2% |
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.