Marlette, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marlette, a city in Sanilac County, Michigan.
Overnight
59°F
Mostly Cloudy
Mostly cloudy. Low around 59, with temperatures rising to around 61 overnight. South wind around 10 mph, with gusts as high as 21 mph.
7-day forecast for Marlette
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Mostly Cloudy | 10 mph S | 1% |
| Wednesday | 68°F | Light Rain | 12 to 16 mph S | 92% |
| Wednesday Night | 49°F | Chance Light Rain then Mostly Cloudy | 7 to 15 mph SSW | 51% |
| Thursday | 58°F | Mostly Cloudy then Slight Chance Light Rain | 9 to 14 mph SW | 20% |
| Thursday Night | 41°F | Light Rain Likely | 2 to 8 mph W | 60% |
| Friday | 51°F | Light Rain Likely | 3 to 10 mph NW | 62% |
| Friday Night | 34°F | Light Rain Likely | 6 to 9 mph NNW | 61% |
| Saturday | 49°F | Chance Light Rain then Mostly Cloudy | 7 to 13 mph NW | 35% |
| Saturday Night | 28°F | Partly Cloudy | 6 mph WNW | 8% |
| Sunday | 54°F | Mostly Sunny | 6 to 13 mph W | 8% |
| Sunday Night | 30°F | Partly Cloudy | 5 to 9 mph W | 8% |
| Monday | 56°F | Mostly Sunny | 6 to 10 mph W | 2% |
| Monday Night | 35°F | Partly Cloudy | 9 mph WSW | 5% |
| Tuesday | 58°F | Mostly Sunny | 9 to 13 mph W | 6% |
Forecast source: National Weather Service (api.weather.gov) for Marlette (43.326, -83.081). Updated through the day.
Growing snapshot for Marlette
Last spring frost
May 2
First fall frost
Oct 16
Growing season
165 days
Hardiness zone
6a
More local growing data for Marlette: nearby ZIP 48453 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Applegate
Brown City
Carsonville
Croswell
Deckerville
Forestville
Lexington
Melvin
Minden City
Peck
Port Sanilac
Sandusky
Snover
Ubly
Climate data from the nearest NOAA station, Sandusky, Mi (11.8 mi from Marlette). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.