Caspian, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Caspian, a city in Iron County, Michigan.
This Afternoon
62°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. High near 62, with temperatures falling to around 58 in the afternoon. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
7-day forecast for Caspian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Chance Rain Showers | 5 to 10 mph S | 35% |
| Tonight | 43°F | Rain Showers Likely | 5 to 10 mph SW | 73% |
| Thursday | 46°F | Rain Showers Likely then Chance Rain And Snow Showers | 10 to 15 mph N | 62% |
| Thursday Night | 26°F | Chance Rain And Snow Showers then Cloudy | 10 to 15 mph N | 25% |
| Friday | 41°F | Partly Sunny | 5 to 10 mph N | 4% |
| Friday Night | 19°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Saturday | 47°F | Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 28°F | Partly Cloudy | 5 mph W | 1% |
| Sunday | 52°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 28°F | Partly Cloudy | 0 to 5 mph W | 2% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 33°F | Mostly Clear | 5 to 10 mph W | 1% |
| Tuesday | 53°F | Mostly Sunny | 5 to 10 mph NW | 2% |
| Tuesday Night | 27°F | Partly Cloudy | 0 to 5 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Caspian (46.065, -88.627). Updated through the day.
Growing snapshot for Caspian
Last spring frost
Jun 4
First fall frost
Sep 10
Growing season
95 days
Hardiness zone
4a
More local growing data for Caspian: nearby ZIP 49915 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Stambaugh 2Sse, Mi (0.6 mi from Caspian). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.