Grand Haven, MI Weather & Growing Conditions
Overnight
58°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 58, with temperatures rising to around 60 overnight. East northeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Showers And Thunderstorms | 7 mph ENE | 77% |
| Sunday | 71°F | Chance Rain Showers | 8 to 13 mph NE | 43% |
| Sunday Night | 50°F | Mostly Cloudy | 10 mph ENE | 1% |
| Monday | 66°F | Mostly Cloudy | 10 to 14 mph ENE | 7% |
| Monday Night | 48°F | Mostly Cloudy | 9 to 14 mph ENE | 7% |
| Tuesday | 65°F | Mostly Cloudy | 10 to 15 mph ENE | 7% |
| Tuesday Night | 49°F | Mostly Cloudy | 9 to 14 mph ENE | 12% |
| Wednesday | 65°F | Chance Rain Showers | 14 mph ENE | 31% |
| Wednesday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 7 to 14 mph ENE | 31% |
| Thursday | 68°F | Partly Sunny | 9 mph ENE | 4% |
| Thursday Night | 51°F | Mostly Cloudy | 3 to 7 mph ENE | 3% |
| Friday | 71°F | Partly Sunny | 3 to 7 mph NE | 2% |
| Friday Night | 50°F | Partly Cloudy | 3 to 7 mph NE | 2% |
| Saturday | 71°F | Mostly Sunny | 6 mph NE | 1% |
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 (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.