Sparta, MI Weather & Growing Conditions
Overnight
51°F
Showers And Thunderstorms
Rain showers before 5am, then showers and thunderstorms. Cloudy. Low around 51, with temperatures rising to around 53 overnight. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Showers And Thunderstorms | 9 mph E | 93% |
| Saturday | 63°F | Showers And Thunderstorms | 10 mph ESE | 98% |
| Saturday Night | 56°F | Patchy Fog | 6 to 9 mph ENE | 69% |
| Sunday | 69°F | Chance Rain Showers then Mostly Cloudy | 8 to 13 mph NE | 27% |
| Sunday Night | 49°F | Mostly Cloudy | 8 to 12 mph NE | 1% |
| Monday | 62°F | Mostly Cloudy | 14 mph ENE | 2% |
| Monday Night | 45°F | Mostly Cloudy | 9 to 14 mph ENE | 2% |
| Tuesday | 63°F | Partly Sunny | 12 to 15 mph ENE | 3% |
| Tuesday Night | 47°F | Mostly Cloudy | 12 to 15 mph ENE | 12% |
| Wednesday | 63°F | Slight Chance Rain Showers | 15 mph ENE | 23% |
| Wednesday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 13 mph ENE | 23% |
| Thursday | 66°F | Partly Sunny | 9 mph NE | 3% |
| Thursday Night | 48°F | Mostly Cloudy | 3 to 8 mph NE | 3% |
| Friday | 70°F | Mostly Sunny | 5 to 8 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sparta, MI
Last spring frost
May 14
First fall frost
Sep 29
Growing season
135 days
Hardiness zone
6a
Explore more for Sparta, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Kent City 2 Sw, Mi (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.