Roscommon, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roscommon, a village in Roscommon County, Michigan.
Overnight
39°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy. Low around 39, with temperatures rising to around 43 overnight. East wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for Roscommon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Slight Chance Rain Showers | 0 to 5 mph E | 22% |
| Saturday | 63°F | Chance Rain Showers | 5 mph E | 37% |
| Saturday Night | 46°F | Chance Rain Showers | 5 mph E | 50% |
| Sunday | 67°F | Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 33% |
| Sunday Night | 39°F | Mostly Cloudy | 5 to 10 mph NE | 2% |
| Monday | 58°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday Night | 38°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Tuesday | 62°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 5 to 10 mph E | 6% |
| Wednesday | 63°F | Partly Sunny then Slight Chance Rain Showers | 5 to 10 mph E | 21% |
| Wednesday Night | 40°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph E | 21% |
| Thursday | 65°F | Partly Sunny | 5 mph NE | 7% |
| Thursday Night | 41°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NE | 3% |
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 Sep 19, 2026.