Lamont, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lamont, a community in Ottawa County, Michigan.
Overnight
53°F
Showers And Thunderstorms
Rain showers likely before 5am, then showers and thunderstorms. Cloudy. Low around 53, with temperatures rising to around 55 overnight. East wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Lamont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Showers And Thunderstorms | 10 mph E | 80% |
| Saturday | 65°F | Showers And Thunderstorms | 12 mph ESE | 94% |
| Saturday Night | 57°F | Showers And Thunderstorms | 6 to 9 mph ENE | 81% |
| Sunday | 68°F | Chance Rain Showers | 8 to 12 mph NE | 52% |
| Sunday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 17% |
| Monday | 64°F | Mostly Cloudy | 14 mph ENE | 12% |
| Monday Night | 46°F | Mostly Cloudy | 9 to 15 mph ENE | 12% |
| Tuesday | 63°F | Partly Sunny | 12 to 15 mph ENE | 13% |
| Tuesday Night | 48°F | Slight Chance Rain Showers | 8 to 15 mph ENE | 18% |
| Wednesday | 64°F | Slight Chance Rain Showers then Partly Sunny | 10 mph ENE | 18% |
| Wednesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Thursday | 67°F | Partly Sunny | 7 mph NE | 2% |
| Thursday Night | 50°F | Mostly Cloudy | 2 to 6 mph NE | 3% |
| Friday | 70°F | Mostly Sunny | 2 to 6 mph NNE | 5% |
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 Sep 19, 2026.