Harbor Beach, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harbor Beach, a city in Huron County, Michigan.
This Afternoon
71°F
Mostly Sunny
Mostly sunny. High near 71, with temperatures falling to around 68 in the afternoon. South wind around 14 mph, with gusts as high as 22 mph.
7-day forecast for Harbor Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Sunny | 14 mph S | 2% |
| Tonight | 57°F | Mostly Cloudy | 9 to 13 mph S | 3% |
| Wednesday | 65°F | Light Rain | 9 to 17 mph SSE | 85% |
| Wednesday Night | 50°F | Chance Light Rain then Mostly Cloudy | 8 to 16 mph SSW | 54% |
| Thursday | 58°F | Mostly Cloudy then Chance Light Rain | 9 to 14 mph SW | 31% |
| Thursday Night | 44°F | Light Rain Likely | 8 mph W | 55% |
| Friday | 52°F | Light Rain Likely | 6 to 15 mph NNW | 64% |
| Friday Night | 42°F | Light Rain Likely | 14 to 17 mph N | 59% |
| Saturday | 49°F | Chance Light Rain | 14 mph NW | 39% |
| Saturday Night | 38°F | Partly Cloudy | 9 mph W | 10% |
| Sunday | 52°F | Mostly Sunny then Slight Chance Light Rain | 13 mph W | 16% |
| Sunday Night | 40°F | Slight Chance Light Rain | 15 mph WNW | 16% |
| Monday | 52°F | Slight Chance Light Rain | 12 to 15 mph WNW | 17% |
| Monday Night | 43°F | Slight Chance Light Rain then Partly Cloudy | 14 mph WSW | 16% |
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 Nov 3, 2026.