Harrisville, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrisville, a city in Alcona County, Michigan.
Today
85°F
Sunny
Sunny. High near 85, with temperatures falling to around 83 in the afternoon. Southwest wind 5 to 15 mph.
7-day forecast for Harrisville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 5 to 15 mph SW | 0% |
| Tonight | 62°F | Partly Cloudy | 5 to 15 mph SW | 3% |
| Wednesday | 79°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 70% |
| Wednesday Night | 59°F | Showers And Thunderstorms Likely | 5 mph NE | 66% |
| Thursday | 77°F | Rain Showers Likely | 5 mph NE | 66% |
| Thursday Night | 60°F | Partly Cloudy | 0 to 5 mph S | 13% |
| Friday | 83°F | Sunny | 5 to 10 mph S | 4% |
| Friday Night | 63°F | Mostly Clear | 5 to 10 mph S | 4% |
| Saturday | 86°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 20% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 38% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 44% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 44% |
| Monday | 81°F | Chance Rain Showers | 5 mph SW | 36% |
| Monday Night | 60°F | Chance Rain Showers | 5 mph N | 38% |
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 Aug 4, 2026.