Roscommon, MI Weather & Growing Conditions
Today
84°F
Sunny
Sunny. High near 84, with temperatures falling to around 82 in the afternoon. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 5 to 10 mph SW | 0% |
| Tonight | 60°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SW | 49% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 60% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 50% |
| Thursday | 78°F | Chance Rain Showers then Partly Sunny | 0 to 5 mph E | 50% |
| Thursday Night | 54°F | Mostly Clear | 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 | 80°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). Updated through the day.
Growing snapshot for Roscommon, MI
Last spring frost
May 19
First fall frost
Sep 23
Growing season
125 days
Hardiness zone
5a
Explore more for Roscommon, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Houghton Lk Roscommon Ap, Mi (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.