Pearl Beach, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pearl Beach, a community in St. Clair County, Michigan.
Today
82°F
Sunny
Sunny, with a high near 82. South southwest wind 2 to 7 mph.
7-day forecast for Pearl Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 2 to 7 mph SSW | 0% |
| Tonight | 63°F | Mostly Clear | 0 to 7 mph S | 0% |
| Wednesday | 86°F | Sunny | 0 to 7 mph SSW | 0% |
| Wednesday Night | 68°F | Partly Cloudy | 1 to 7 mph SSW | 13% |
| Thursday | 83°F | Chance Showers And Thunderstorms | 1 to 7 mph WSW | 51% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SW | 56% |
| Friday | 84°F | Chance Showers And Thunderstorms | 1 to 5 mph WSW | 52% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 3 mph SSW | 42% |
| Saturday | 86°F | Sunny | 1 to 8 mph WSW | 10% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 3 to 7 mph SSW | 30% |
| Sunday | 88°F | Chance Rain Showers | 3 to 13 mph SW | 30% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 6 to 13 mph SW | 44% |
| Monday | 86°F | Chance Rain Showers | 8 mph WSW | 44% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 7 mph SW | 46% |
Forecast source: National Weather Service (api.weather.gov) for Pearl Beach (42.632, -82.586). Updated through the day.
Growing snapshot for Pearl Beach
Last spring frost
May 3
First fall frost
Oct 18
Growing season
167 days
Hardiness zone
6b
More local growing data for Pearl Beach: nearby ZIP 48001 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Algonac Wwtp, Mi (2.5 mi from Pearl Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.