Grand Beach, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Beach, a village in Berrien County, Michigan.
Tonight
58°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 58. East wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Grand Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph E | 36% |
| Saturday | 75°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph SE | 85% |
| Saturday Night | 62°F | Showers And Thunderstorms | 5 mph SW | 85% |
| Sunday | 70°F | Rain Showers | 5 to 10 mph N | 80% |
| Sunday Night | 53°F | Chance Rain Showers | 10 mph NE | 47% |
| Monday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 49% |
| Monday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 30% |
| Tuesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 17% |
| Tuesday Night | 54°F | Slight Chance Rain Showers | 10 mph NE | 17% |
| Wednesday | 66°F | Slight Chance Rain Showers | 10 mph NE | 15% |
| Wednesday Night | 55°F | Mostly Cloudy | 5 to 10 mph NE | 7% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph NE | 5% |
| Thursday Night | 56°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Friday | 69°F | Mostly Sunny | 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Grand Beach (41.775, -86.788). Updated through the day.
Growing snapshot for Grand Beach
Last spring frost
Apr 19
First fall frost
Oct 27
Growing season
191 days
Hardiness zone
6a
More local growing data for Grand Beach: nearby ZIP 49117 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Baroda
Benton Harbor
Benton Heights
Berrien Springs
Bridgman
Buchanan
Coloma
Eau Claire
Fair Plain
Galien
Lake Michigan Beach
Michiana
Millburg
New Buffalo
New Troy
Niles
Paw Paw Lake
Shoreham
Shorewood-Tower Hills-Harbert
St. Joseph
Stevensville
Three Oaks
Watervliet
Climate data from the nearest NOAA station, Laporte, In (11.7 mi from Grand Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.