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Jenison, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jenison, a community in Ottawa County, Michigan.

This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind around 12 mph, with gusts as high as 23 mph.

7-day forecast for Jenison

WhenTempForecastWindPrecip
This Afternoon 74°F Mostly Sunny 12 mph S 9%
Tonight 63°F Mostly Cloudy then Slight Chance Rain Showers 12 mph SSE 19%
Wednesday 70°F Rain Showers 14 mph S 95%
Wednesday Night 50°F Chance Rain Showers 9 to 13 mph SW 28%
Thursday 56°F Rain Showers Likely 10 to 14 mph SW 65%
Thursday Night 44°F Rain Showers Likely 2 to 8 mph WNW 65%
Friday 52°F Chance Rain Showers 5 to 9 mph N 47%
Friday Night 35°F Chance Rain Showers then Mostly Cloudy 2 to 9 mph N 36%
Saturday 51°F Mostly Sunny 1 to 7 mph NW 8%
Saturday Night 34°F Partly Cloudy 0 to 5 mph WSW 5%
Sunday 54°F Slight Chance Rain Showers 2 to 10 mph W 23%
Sunday Night 37°F Slight Chance Rain Showers then Partly Cloudy 3 to 7 mph WNW 23%
Monday 58°F Mostly Sunny 3 to 12 mph W 9%
Monday Night 41°F Partly Cloudy 6 to 9 mph WSW 5%

Forecast source: National Weather Service (api.weather.gov) for Jenison (42.902, -85.827). Updated through the day.

Growing snapshot for Jenison

Last spring frost
May 6
First fall frost
Oct 10
Growing season
157 days
Hardiness zone
6a

More local growing data for Jenison: nearby ZIP 49428 weather · frost dates · planting calendar · Michigan frost dates

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Climate data from the nearest NOAA station, E Grand Rapids, Mi (11.3 mi from Jenison). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.