Harbor Beach, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harbor Beach, a city in Huron County, Michigan.
Today
84°F
Sunny
Sunny, with a high near 84. South southwest wind 7 to 12 mph, with gusts as high as 18 mph.
7-day forecast for Harbor Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 7 to 12 mph SSW | 0% |
| Tonight | 64°F | Mostly Clear | 7 to 10 mph S | 0% |
| Wednesday | 84°F | Mostly Sunny | 6 to 9 mph S | 1% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 6 mph ENE | 78% |
| Thursday | 77°F | Rain Showers | 5 to 8 mph N | 78% |
| Thursday Night | 63°F | Chance Rain Showers | 2 to 6 mph E | 34% |
| Friday | 82°F | Mostly Sunny | 2 to 6 mph S | 14% |
| Friday Night | 66°F | Partly Cloudy | 3 to 7 mph S | 14% |
| Saturday | 82°F | Sunny | 9 mph SW | 12% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 7 mph SSW | 34% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 7 to 13 mph WSW | 34% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 10 mph W | 42% |
| Monday | 78°F | Chance Rain Showers | 9 mph WNW | 41% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 8 mph W | 46% |
Forecast source: National Weather Service (api.weather.gov) for Harbor Beach (43.845, -82.655). Updated through the day.
Growing snapshot for Harbor Beach
Last spring frost
May 2
First fall frost
Oct 24
Growing season
173 days
Hardiness zone
6a
More local growing data for Harbor Beach: nearby ZIP 48441 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Harbor Beach 1 Sse, Mi (4.1 mi from Harbor Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.