Harman US

Saugatuck, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Saugatuck, a city in Allegan County, Michigan.

This Afternoon
70°F
Showers And Thunderstorms Likely
A chance of rain showers before 5pm, then showers and thunderstorms likely. Mostly cloudy. High near 70, with temperatures falling to around 68 in the afternoon. East wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Saugatuck

WhenTempForecastWindPrecip
This Afternoon 70°F Showers And Thunderstorms Likely 8 mph E 60%
Tonight 58°F Showers And Thunderstorms 7 mph E 87%
Sunday 70°F Rain Showers Likely 8 to 13 mph NE 60%
Sunday Night 50°F Mostly Cloudy 8 to 12 mph ENE 2%
Monday 66°F Mostly Cloudy 14 mph ENE 10%
Monday Night 48°F Mostly Cloudy 13 mph ENE 10%
Tuesday 65°F Mostly Cloudy 14 mph ENE 10%
Tuesday Night 50°F Mostly Cloudy 10 to 14 mph ENE 13%
Wednesday 66°F Chance Rain Showers 13 mph ENE 32%
Wednesday Night 50°F Chance Rain Showers then Mostly Cloudy 7 to 12 mph ENE 32%
Thursday 68°F Partly Sunny 8 mph ENE 4%
Thursday Night 51°F Mostly Cloudy 5 to 8 mph ENE 4%
Friday 70°F Partly Sunny 7 mph NE 2%
Friday Night 51°F Partly Cloudy 3 to 7 mph NE 2%

Forecast source: National Weather Service (api.weather.gov) for Saugatuck (42.661, -86.205). Updated through the day.

Growing snapshot for Saugatuck

Last spring frost
Apr 28
First fall frost
Oct 21
Growing season
175 days
Hardiness zone
6b

More local growing data for Saugatuck: nearby ZIP 49406 weather · frost dates · planting calendar · Michigan frost dates

Nearby towns & communities

All Michigan locations ›

Climate data from the nearest NOAA station, Holland Tulip City Ap, Mi (9.3 mi from Saugatuck). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.