Harrisville, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrisville, a city in Alcona County, Michigan.
Tonight
48°F
Mostly Cloudy
Mostly cloudy. Low around 48, with temperatures rising to around 51 overnight. East wind around 5 mph.
7-day forecast for Harrisville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Cloudy | 5 mph E | 2% |
| Saturday | 66°F | Partly Sunny then Scattered Rain Showers | 5 to 10 mph SE | 25% |
| Saturday Night | 51°F | Scattered Rain Showers | 5 to 10 mph E | 46% |
| Sunday | 66°F | Scattered Rain Showers then Partly Sunny | 5 to 15 mph NE | 36% |
| Sunday Night | 47°F | Mostly Cloudy | 10 to 15 mph NE | 2% |
| Monday | 61°F | Mostly Cloudy | 15 mph NE | 0% |
| Monday Night | 46°F | Mostly Cloudy | 10 to 15 mph NE | 1% |
| Tuesday | 62°F | Partly Sunny | 15 to 20 mph NE | 6% |
| Tuesday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph E | 15% |
| Wednesday | 63°F | Chance Rain Showers | 10 to 15 mph E | 36% |
| Wednesday Night | 48°F | Chance Rain Showers | 5 to 15 mph E | 36% |
| Thursday | 65°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 16% |
| Thursday Night | 48°F | Mostly Cloudy | 5 to 10 mph NE | 7% |
| Friday | 68°F | Mostly Sunny | 5 to 10 mph N | 7% |
Forecast source: National Weather Service (api.weather.gov) for Harrisville (44.658, -83.295). Updated through the day.
Growing snapshot for Harrisville
Last spring frost
May 8
First fall frost
Oct 16
Growing season
160 days
Hardiness zone
5b
More local growing data for Harrisville: nearby ZIP 48740 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Harrisville 2Nne, Mi (4.7 mi from Harrisville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.