Eureka, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Eureka, a community in Gratiot County, Michigan.
Overnight
52°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 52, with temperatures rising to around 54 overnight. East northeast wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Eureka
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Rain Showers Likely | 8 mph ENE | 57% |
| Saturday | 64°F | Rain Showers | 8 mph E | 86% |
| Saturday Night | 55°F | Showers And Thunderstorms | 8 mph ENE | 77% |
| Sunday | 67°F | Rain Showers Likely | 9 to 14 mph NE | 55% |
| Sunday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 9 to 14 mph NE | 40% |
| Monday | 63°F | Mostly Cloudy | 15 mph ENE | 8% |
| Monday Night | 46°F | Mostly Cloudy | 10 to 16 mph NE | 8% |
| Tuesday | 62°F | Partly Sunny | 13 to 16 mph NE | 13% |
| Tuesday Night | 47°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Wednesday | 63°F | Chance Rain Showers | 13 mph NE | 37% |
| Wednesday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 6 to 12 mph NE | 28% |
| Thursday | 66°F | Partly Sunny | 6 to 10 mph NNE | 7% |
| Thursday Night | 49°F | Mostly Cloudy | 3 to 8 mph NNE | 6% |
| Friday | 70°F | Mostly Sunny | 3 to 9 mph NNE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Eureka (43.104, -84.514). Updated through the day.
Growing snapshot for Eureka
Last spring frost
Apr 28
First fall frost
Oct 24
Growing season
179 days
Hardiness zone
6a
More local growing data for Eureka: nearby ZIP 48806 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Saint Johns, Mi (12.4 mi from Eureka). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.