Hart, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hart, a city in Oceana County, Michigan.
Tonight
49°F
Showers And Thunderstorms
Rain showers likely before 5am, then showers and thunderstorms. Cloudy. Low around 49, with temperatures rising to around 52 overnight. East wind 6 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Hart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Showers And Thunderstorms | 6 to 12 mph E | 78% |
| Saturday | 66°F | Showers And Thunderstorms | 13 mph ESE | 87% |
| Saturday Night | 52°F | Showers And Thunderstorms Likely | 6 to 12 mph ENE | 62% |
| Sunday | 70°F | Slight Chance Rain Showers | 8 to 12 mph NE | 23% |
| Sunday Night | 48°F | Mostly Cloudy | 7 to 12 mph NE | 2% |
| Monday | 66°F | Mostly Cloudy | 12 mph ENE | 4% |
| Monday Night | 45°F | Mostly Cloudy | 10 mph ENE | 4% |
| Tuesday | 66°F | Partly Sunny | 8 to 12 mph ENE | 14% |
| Tuesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 10 mph ENE | 21% |
| Wednesday | 67°F | Slight Chance Rain Showers then Partly Sunny | 7 to 10 mph NE | 21% |
| Wednesday Night | 48°F | Partly Cloudy | 5 to 8 mph NE | 10% |
| Thursday | 69°F | Partly Sunny | 5 to 8 mph NNE | 2% |
| Thursday Night | 49°F | Partly Cloudy | 2 to 7 mph NE | 3% |
| Friday | 71°F | Mostly Sunny | 3 to 8 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Hart (43.697, -86.367). Updated through the day.
Growing snapshot for Hart
Last spring frost
May 12
First fall frost
Oct 10
Growing season
151 days
Hardiness zone
6a
More local growing data for Hart: nearby ZIP 49455 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hart 3 Wsw, Mi (5 mi from Hart). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.