Fennville, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fennville, a city in Allegan County, Michigan.
Today
82°F
Sunny
Sunny, with a high near 82. Southwest wind 3 to 10 mph.
7-day forecast for Fennville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 3 to 10 mph SW | 0% |
| Tonight | 63°F | Partly Cloudy | 3 to 7 mph SSW | 8% |
| Wednesday | 79°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 3 to 9 mph SW | 56% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 7 mph W | 85% |
| Thursday | 77°F | Showers And Thunderstorms | 1 to 6 mph S | 85% |
| Thursday Night | 58°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph ENE | 24% |
| Friday | 80°F | Mostly Sunny | 0 to 6 mph SSW | 7% |
| Friday Night | 61°F | Mostly Clear | 0 to 5 mph WSW | 7% |
| Saturday | 81°F | Mostly Sunny | 2 to 9 mph SSW | 10% |
| Saturday Night | 66°F | Chance Rain Showers | 3 to 8 mph SSW | 29% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 6 to 13 mph SW | 29% |
| Sunday Night | 65°F | Chance Rain Showers | 5 to 10 mph SW | 47% |
| Monday | 81°F | Chance Rain Showers | 5 to 9 mph WSW | 47% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 3 to 8 mph WSW | 53% |
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 Aug 4, 2026.