Mount Pleasant, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Pleasant, a city in Isabella County, Michigan.
Tonight
49°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 49, with temperatures rising to around 51 overnight. East wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mount Pleasant
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Rain Showers Likely | 3 to 7 mph E | 57% |
| Saturday | 64°F | Rain Showers Likely | 3 to 8 mph E | 68% |
| Saturday Night | 54°F | Showers And Thunderstorms Likely | 5 to 8 mph ENE | 67% |
| Sunday | 68°F | Chance Rain Showers | 7 to 12 mph NE | 32% |
| Sunday Night | 48°F | Mostly Cloudy | 10 mph NE | 2% |
| Monday | 63°F | Mostly Cloudy | 10 to 14 mph NE | 4% |
| Monday Night | 45°F | Mostly Cloudy | 8 to 14 mph NE | 4% |
| Tuesday | 62°F | Partly Sunny then Slight Chance Rain Showers | 9 to 15 mph NE | 15% |
| Tuesday Night | 46°F | Slight Chance Rain Showers | 9 to 15 mph ENE | 21% |
| Wednesday | 64°F | Chance Rain Showers | 12 mph ENE | 32% |
| Wednesday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 5 to 12 mph NE | 27% |
| Thursday | 68°F | Partly Sunny | 5 to 9 mph NE | 7% |
| Thursday Night | 48°F | Mostly Cloudy | 2 to 8 mph NNE | 6% |
| Friday | 71°F | Mostly Sunny | 2 to 8 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Mount Pleasant (43.597, -84.776). Updated through the day.
Growing snapshot for Mount Pleasant
Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
171 days
Hardiness zone
6a
More local growing data for Mount Pleasant: nearby ZIP 48859 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Central Michigan Univ, Mi (0.2 mi from Mount Pleasant). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.