Roscommon, MI Weather & Growing Conditions
This Afternoon
66°F
Rain Showers
Rain showers. Mostly cloudy. High near 66, with temperatures falling to around 62 in the afternoon. South wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Rain Showers | 10 to 15 mph S | 99% |
| Tonight | 47°F | Rain Showers Likely | 10 to 15 mph SW | 60% |
| Thursday | 53°F | Rain Showers | 10 to 15 mph SW | 86% |
| Thursday Night | 36°F | Rain Showers Likely | 15 mph NW | 57% |
| Friday | 42°F | Rain Showers | 10 to 15 mph N | 75% |
| Friday Night | 31°F | Rain Showers Likely then Mostly Cloudy | 10 to 15 mph N | 61% |
| Saturday | 47°F | Mostly Sunny | 5 to 10 mph NW | 1% |
| Saturday Night | 31°F | Mostly Clear | 5 to 10 mph W | 1% |
| Sunday | 54°F | Mostly Sunny | 10 to 15 mph W | 9% |
| Sunday Night | 36°F | Partly Cloudy | 5 to 10 mph NW | 9% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Monday Night | 40°F | Partly Cloudy | 10 to 15 mph W | 1% |
| Tuesday | 56°F | Mostly Sunny | 10 mph W | 2% |
| Tuesday Night | 36°F | Partly Cloudy | 5 to 10 mph NW | 3% |
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 (8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.