Roscommon, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Roscommon, a village in Roscommon County, Michigan.
Today
84°F
Sunny
Sunny, with a high near 84. Southwest wind 0 to 10 mph.
7-day forecast for Roscommon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 0 to 10 mph SW | 0% |
| Tonight | 60°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SW | 48% |
| Wednesday | 77°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 60% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 51% |
| Thursday | 78°F | Chance Rain Showers then Partly Sunny | 0 to 5 mph SE | 51% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph S | 11% |
| Friday | 83°F | Sunny | 0 to 5 mph SW | 3% |
| Friday Night | 57°F | Mostly Clear | 0 to 5 mph SW | 4% |
| Saturday | 83°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 16% |
| Saturday Night | 60°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 10 mph SW | 40% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 40% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 0 to 10 mph W | 51% |
| Monday | 81°F | Chance Rain Showers | 0 to 10 mph W | 51% |
| Monday Night | 56°F | Chance Rain Showers | 0 to 5 mph NW | 40% |
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 Aug 4, 2026.