Harman US

Grand Haven, MI Weather & Growing Conditions

This Afternoon
68°F
Rain Showers
Rain showers before 5pm. Mostly cloudy. High near 68, with temperatures falling to around 61 in the afternoon. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Rain Showers 14 mph SW 85%
Tonight 47°F Cloudy then Chance Rain Showers 14 mph SW 47%
Thursday 56°F Rain Showers 12 to 16 mph WSW 92%
Thursday Night 38°F Chance Rain Showers 8 to 12 mph NNW 48%
Friday 51°F Chance Rain Showers 10 to 14 mph NNW 43%
Friday Night 35°F Chance Rain Showers then Mostly Cloudy 6 to 13 mph N 43%
Saturday 53°F Partly Sunny 6 to 10 mph NNW 4%
Saturday Night 37°F Mostly Clear 3 to 8 mph WNW 1%
Sunday 56°F Mostly Sunny 8 to 14 mph W 7%
Sunday Night 41°F Mostly Clear 5 to 9 mph WNW 7%
Monday 58°F Sunny 5 to 13 mph W 2%
Monday Night 44°F Mostly Clear 8 to 12 mph WSW 1%
Tuesday 59°F Mostly Sunny 7 to 10 mph WNW 1%
Tuesday Night 39°F Partly Cloudy 2 to 7 mph NW 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Grand Haven, MI

Last spring frost
Apr 30
First fall frost
Oct 24
Growing season
175 days
Hardiness zone
6b

Explore more for Grand Haven, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Grand Haven Wwtp, Mi (4.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.