Harbor Beach, MI Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. South southwest wind 7 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 7 to 10 mph SSW | 0% |
| Tonight | 60°F | Mostly Clear | 6 to 10 mph SSW | 0% |
| Wednesday | 84°F | Mostly Sunny | 6 to 9 mph SW | 1% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 3 to 7 mph NW | 79% |
| Thursday | 78°F | Rain Showers | 5 to 8 mph N | 79% |
| Thursday Night | 60°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 41% |
| Friday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph S | 17% |
| Friday Night | 62°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 mph S | 17% |
| Saturday | 86°F | Sunny | 6 to 10 mph SW | 11% |
| Saturday Night | 65°F | Slight Chance Showers And Thunderstorms | 8 mph SSW | 33% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 6 to 14 mph WSW | 34% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 7 to 10 mph WSW | 42% |
| Monday | 82°F | Chance Rain Showers | 9 mph W | 42% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 7 mph W | 47% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harbor Beach, MI
Last spring frost
May 2
First fall frost
Oct 24
Growing season
173 days
Hardiness zone
6a
Explore more for Harbor Beach, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Harbor Beach 1 Sse, Mi (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.