See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
20°
Overcast
Feels Like: 11°
Min: 18°
Max: 20°
The next few hours will be overcast, with today reaching 20°C and dropping to 17°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:31
Sunrise
19:47
Sunset
Moon
Waxing Crescent
12:30
Moonrise
21:13
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
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Thursday
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Weather in Grand Haven today, September 15, 2026
Grand Haven is set for a fine, sunny day on September 15, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside.
The day peaks near 20°C and cools toward 18°C. The air stays humid, with relative humidity between 94% and 98% and the peak around 15:00. Airflow remains manageable, reaching about 7.8 km/h around 15:00.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 15:00. Outdoor plans may still want a flexible backup. Expect visibility near 13.3 km, with poorer spells close to 12.2 km. The sun rises at 07:31 and sets at 19:47, for a total of 12 hours 16 minutes of sunlight today.
In short, September 15, 2026 looks like a fine day in Grand Haven for being outside, peaking around 20°C.
Frequently asked questions about weather in Grand Haven
How warm does it get in Grand Haven?
The warmest month in Grand Haven is July, with average high temperatures of 24°C. The average temperature during this period is around 22°C.
How cold does it get in Grand Haven?
The coldest month in Grand Haven is February, with average low temperatures of -3°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Grand Haven?
The wettest month in Grand Haven is October, with an average of 121mm of precipitation.
What is the driest time of year in Grand Haven?
The driest month in Grand Haven is February, with an average of 62mm of precipitation.
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