Benton Harbor, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Benton Harbor, a city in Berrien County, Michigan.
This Afternoon
75°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a high near 75. East wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for Benton Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance Rain Showers | 10 mph E | 17% |
| Tonight | 54°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph E | 58% |
| Saturday | 74°F | Showers And Thunderstorms | 10 mph SE | 89% |
| Saturday Night | 58°F | Showers And Thunderstorms | 5 mph E | 83% |
| Sunday | 70°F | Showers And Thunderstorms | 5 to 15 mph NE | 77% |
| Sunday Night | 50°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 53% |
| Monday | 67°F | Chance Rain Showers | 10 to 15 mph E | 40% |
| Monday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 35% |
| Tuesday | 66°F | Partly Sunny then Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Tuesday Night | 50°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Wednesday | 67°F | Slight Chance Rain Showers then Partly Sunny | 10 mph NE | 15% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph N | 3% |
| Thursday Night | 52°F | Partly Cloudy | 5 to 10 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Benton Harbor (42.113, -86.447). Updated through the day.
Growing snapshot for Benton Harbor
Last spring frost
May 5
First fall frost
Oct 15
Growing season
161 days
Hardiness zone
6b
More local growing data for Benton Harbor: nearby ZIP 49085 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Baroda
Benton Heights
Berrien Springs
Bridgman
Buchanan
Coloma
Eau Claire
Fair Plain
Galien
Grand Beach
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, Benton Harbor Ap, Mi (5.2 mi from Benton Harbor). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.