Atlantic Mine, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Atlantic Mine, a community in Houghton County, Michigan.
Today
75°F
Mostly Sunny
Mostly sunny. High near 75, with temperatures falling to around 72 in the afternoon. West wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Atlantic Mine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 15 mph W | 7% |
| Tonight | 57°F | Partly Cloudy | 5 to 15 mph W | 1% |
| Wednesday | 75°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 10 mph S | 0% |
| Thursday | 85°F | Sunny | 10 mph SW | 3% |
| Thursday Night | 67°F | Mostly Clear | 5 to 15 mph SW | 4% |
| Friday | 85°F | Sunny | 10 to 15 mph SW | 14% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Saturday | 79°F | Chance Rain Showers | 5 to 10 mph W | 25% |
| Saturday Night | 61°F | Chance Rain Showers | 5 to 10 mph W | 42% |
| Sunday | 78°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 31% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph W | 25% |
| Monday | 77°F | Partly Sunny | 5 to 10 mph W | 14% |
| Monday Night | 59°F | Slight Chance Rain Showers | 5 to 10 mph NW | 15% |
Forecast source: National Weather Service (api.weather.gov) for Atlantic Mine (47.104, -88.628). Updated through the day.
Growing snapshot for Atlantic Mine
Last spring frost
May 17
First fall frost
Oct 1
Growing season
138 days
Hardiness zone
5b
More local growing data for Atlantic Mine: nearby ZIP 49921 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Calumet
Chassell
Dodgeville
Dollar Bay
Fulton
Hancock
Houghton
Hubbell
Hurontown
Lake Linden
Laurium
Mohawk
Painesdale
Pelkie
South Range
Trimountain
Climate data from the nearest NOAA station, Hancock Houghton Co Ap, Mi (6.9 mi from Atlantic Mine). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.