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Benton Harbor, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Benton Harbor, a city in Berrien County, Michigan.

Tonight
60°F
Mostly Cloudy then Rain Showers Likely
Rain showers likely after 3am. Mostly cloudy, with a low around 60. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

7-day forecast for Benton Harbor

WhenTempForecastWindPrecip
Tonight 60°F Mostly Cloudy then Rain Showers Likely 15 mph S 60%
Wednesday 67°F Rain Showers 15 mph S 76%
Wednesday Night 47°F Mostly Cloudy 10 to 15 mph SW 34%
Thursday 57°F Chance Rain Showers 10 to 15 mph SW 26%
Thursday Night 41°F Chance Rain Showers 5 to 10 mph W 50%
Friday 54°F Chance Rain Showers 10 to 15 mph N 46%
Friday Night 36°F Chance Rain Showers 5 to 15 mph N 46%
Saturday 52°F Partly Sunny 5 to 10 mph NW 14%
Saturday Night 35°F Partly Cloudy 5 mph W 5%
Sunday 55°F Slight Chance Rain Showers 5 to 10 mph W 21%
Sunday Night 38°F Slight Chance Rain Showers 5 to 10 mph NW 21%
Monday 58°F Slight Chance Rain Showers then Mostly Sunny 5 to 10 mph W 18%
Monday Night 41°F Partly Cloudy 10 mph W 9%
Tuesday 58°F Mostly Sunny 10 mph W 5%

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

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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 Nov 4, 2026.