Lamont, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lamont, a community in Ottawa County, Michigan.
Tonight
63°F
Mostly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy, with a low around 63. South southeast wind around 12 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Lamont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 12 mph SSE | 19% |
| Wednesday | 69°F | Rain Showers | 15 mph S | 92% |
| Wednesday Night | 50°F | Chance Rain Showers | 10 to 14 mph SW | 38% |
| Thursday | 56°F | Rain Showers | 10 to 15 mph SW | 75% |
| Thursday Night | 44°F | Rain Showers | 2 to 9 mph WNW | 75% |
| Friday | 52°F | Chance Rain Showers | 6 to 10 mph N | 51% |
| Friday Night | 36°F | Chance Rain Showers then Mostly Cloudy | 3 to 9 mph N | 38% |
| Saturday | 52°F | Mostly Sunny | 2 to 7 mph NW | 6% |
| Saturday Night | 35°F | Partly Cloudy | 1 to 5 mph W | 6% |
| 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 8 mph NW | 23% |
| Monday | 58°F | Mostly Sunny | 3 to 13 mph W | 10% |
| Monday Night | 42°F | Partly Cloudy | 9 mph WSW | 6% |
| Tuesday | 59°F | Mostly Sunny | 7 to 13 mph WNW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Lamont (43.017, -85.911). Updated through the day.
Growing snapshot for Lamont
Last spring frost
May 14
First fall frost
Sep 29
Growing season
135 days
Hardiness zone
6a
More local growing data for Lamont: nearby ZIP 49430 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Allendale
Beechwood
Coopersville
Ferrysburg
Grand Haven
Hudsonville
Jenison
Nunica
Spring Lake
Zeeland
Climate data from the nearest NOAA station, Kent City 2 Sw, Mi (14.5 mi from Lamont). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.