Laurium, MI Weather & Growing Conditions
Overnight
49°F
Slight Chance Rain Showers
A slight chance of rain showers between 3am and 5am. Mostly cloudy. Low around 49, with temperatures rising to around 53 overnight. North wind 0 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Slight Chance Rain Showers | 0 to 10 mph N | 22% |
| Sunday | 58°F | Partly Sunny | 10 to 15 mph NE | 7% |
| Sunday Night | 45°F | Mostly Cloudy | 5 to 10 mph NE | 1% |
| Monday | 58°F | Mostly Cloudy | 5 to 10 mph E | 1% |
| Monday Night | 44°F | Partly Cloudy | 5 to 10 mph E | 0% |
| Tuesday | 60°F | Sunny | 0 to 15 mph E | 0% |
| Tuesday Night | 46°F | Mostly Clear | 0 to 15 mph SE | 0% |
| Wednesday | 62°F | Sunny | 0 to 15 mph SE | 0% |
| Wednesday Night | 46°F | Mostly Clear | 5 to 15 mph SE | 0% |
| Thursday | 65°F | Sunny | 5 to 10 mph SE | 1% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 10 mph SE | 3% |
| Friday | 68°F | Mostly Sunny | 0 to 5 mph SW | 3% |
| Friday Night | 51°F | Partly Cloudy | 5 mph SE | 1% |
| Saturday | 69°F | Mostly Sunny | 5 to 10 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Laurium, MI
Last spring frost
May 17
First fall frost
Oct 1
Growing season
138 days
Hardiness zone
5b
Explore more for Laurium, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Hancock Houghton Co Ap, Mi (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.