Gaastra, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gaastra, a city in Iron County, Michigan.
This Afternoon
62°F
Mostly Cloudy
Mostly cloudy, with a high near 62. Southeast wind around 5 mph.
7-day forecast for Gaastra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Mostly Cloudy | 5 mph SE | 14% |
| Tonight | 42°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 5 mph SE | 24% |
| Saturday | 62°F | Chance Light Rain | 0 to 5 mph E | 33% |
| Saturday Night | 42°F | Mostly Cloudy | 0 to 5 mph NE | 9% |
| Sunday | 64°F | Partly Sunny | 5 to 10 mph NE | 0% |
| Sunday Night | 36°F | Mostly Cloudy | 0 to 10 mph NE | 0% |
| Monday | 61°F | Patchy Frost then Partly Sunny | 0 to 5 mph E | 1% |
| Monday Night | 33°F | Partly Cloudy then Areas Of Frost | 0 to 5 mph NE | 1% |
| Tuesday | 63°F | Areas Of Frost then Mostly Sunny | 0 to 5 mph E | 1% |
| Tuesday Night | 34°F | Mostly Clear then Patchy Frost | 0 to 5 mph E | 4% |
| Wednesday | 66°F | Patchy Frost then Sunny | 0 to 5 mph E | 4% |
| Wednesday Night | 38°F | Partly Cloudy | 0 to 5 mph E | 2% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph S | 3% |
| Thursday Night | 41°F | Partly Cloudy | 0 mph | 7% |
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 Sep 19, 2026.