Fennville, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fennville, a city in Allegan County, Michigan.
Tonight
62°F
Mostly Cloudy then Chance Rain Showers
A chance of rain showers after 4am. Mostly cloudy. Low around 62, with temperatures rising to around 64 overnight. South southeast wind around 12 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
7-day forecast for Fennville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Mostly Cloudy then Chance Rain Showers | 12 mph SSE | 27% |
| Wednesday | 69°F | Rain Showers | 13 mph SSW | 83% |
| Wednesday Night | 48°F | Slight Chance Rain Showers | 9 to 13 mph SW | 17% |
| Thursday | 57°F | Rain Showers Likely | 14 mph SW | 56% |
| Thursday Night | 41°F | Rain Showers Likely | 3 to 9 mph WNW | 56% |
| Friday | 54°F | Chance Rain Showers | 6 to 12 mph N | 45% |
| Friday Night | 35°F | Chance Rain Showers then Mostly Cloudy | 3 to 9 mph NNE | 34% |
| Saturday | 52°F | Partly Sunny | 3 to 8 mph NW | 9% |
| Saturday Night | 34°F | Partly Cloudy | 1 to 5 mph W | 6% |
| Sunday | 55°F | Slight Chance Rain Showers | 3 to 12 mph W | 23% |
| Sunday Night | 37°F | Slight Chance Rain Showers | 5 to 8 mph WNW | 23% |
| Monday | 58°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 12 mph W | 16% |
| Monday Night | 41°F | Partly Cloudy | 6 to 9 mph WSW | 6% |
| Tuesday | 59°F | Mostly Sunny | 8 to 12 mph WNW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Fennville (42.595, -86.105). Updated through the day.
Growing snapshot for Fennville
Last spring frost
Apr 28
First fall frost
Oct 21
Growing season
175 days
Hardiness zone
6b
More local growing data for Fennville: nearby ZIP 49408 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Holland Tulip City Ap, Mi (12.1 mi from Fennville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.