Grand Haven, MI Weather & Growing Conditions
Today
81°F
Sunny
Sunny, with a high near 81. South southwest wind 5 to 12 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 5 to 12 mph SSW | 0% |
| Tonight | 66°F | Partly Cloudy then Slight Chance Rain Showers | 6 to 9 mph SSW | 22% |
| Wednesday | 77°F | Rain Showers Likely | 5 to 9 mph SW | 58% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 7 mph W | 78% |
| Thursday | 78°F | Rain Showers Likely | 2 to 7 mph NE | 66% |
| Thursday Night | 59°F | Partly Cloudy | 1 to 7 mph WSW | 11% |
| Friday | 81°F | Mostly Sunny | 1 to 7 mph SSW | 5% |
| Friday Night | 63°F | Mostly Clear | 2 to 7 mph SW | 8% |
| Saturday | 81°F | Mostly Sunny | 3 to 10 mph SSW | 8% |
| Saturday Night | 67°F | Chance Rain Showers | 6 to 9 mph SSW | 33% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 7 to 14 mph SW | 33% |
| Sunday Night | 65°F | Chance Rain Showers | 5 to 13 mph SW | 53% |
| Monday | 81°F | Chance Rain Showers | 6 to 10 mph WSW | 44% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 to 9 mph WSW | 52% |
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 Aug 4, 2026.