Gaastra, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gaastra, a city in Iron County, Michigan.
This Afternoon
64°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy, with a high near 64. South wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Gaastra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Slight Chance Rain Showers | 5 mph S | 22% |
| Tonight | 56°F | Rain Showers | 5 mph SE | 94% |
| Wednesday | 62°F | Patchy Fog | 5 to 10 mph SE | 91% |
| Wednesday Night | 44°F | Rain Showers | 0 to 5 mph SW | 91% |
| Thursday | 48°F | Rain Showers | 0 to 10 mph N | 98% |
| Thursday Night | 28°F | Chance Rain Showers then Slight Chance Rain And Snow Showers | 10 to 15 mph N | 27% |
| Friday | 42°F | Partly Sunny | 5 to 10 mph N | 5% |
| Friday Night | 23°F | Partly Cloudy | 0 to 5 mph N | 3% |
| Saturday | 47°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 28°F | Partly Cloudy | 0 to 5 mph W | 14% |
| Sunday | 51°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph NW | 16% |
| Sunday Night | 30°F | Partly Cloudy | 5 mph W | 6% |
| Monday | 53°F | Partly Sunny | 5 to 10 mph SW | 3% |
| Monday Night | 33°F | Partly Cloudy | 5 to 10 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Gaastra (46.056, -88.605). Updated through the day.
Growing snapshot for Gaastra
Last spring frost
Jun 4
First fall frost
Sep 10
Growing season
95 days
Hardiness zone
4a
More local growing data for Gaastra: 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 Gaastra). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.