Swartz Creek, MI Weather & Growing Conditions
Overnight
62°F
Mostly Cloudy
Mostly cloudy. Low around 62, with temperatures rising to around 64 overnight. South wind around 13 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Cloudy | 13 mph S | 9% |
| Wednesday | 69°F | Light Rain | 14 to 17 mph S | 93% |
| Wednesday Night | 49°F | Light Rain then Mostly Cloudy | 8 to 13 mph SSW | 76% |
| Thursday | 58°F | Mostly Cloudy | 10 to 14 mph SW | 13% |
| Thursday Night | 41°F | Light Rain Likely | 3 to 8 mph W | 59% |
| Friday | 50°F | Light Rain Likely | 5 to 10 mph NW | 60% |
| Friday Night | 33°F | Light Rain Likely | 7 to 10 mph NNW | 60% |
| Saturday | 49°F | Partly Sunny | 7 to 10 mph NW | 13% |
| Saturday Night | 30°F | Partly Cloudy | 6 mph WNW | 1% |
| Sunday | 55°F | Mostly Sunny | 7 to 13 mph W | 6% |
| Sunday Night | 32°F | Partly Cloudy | 5 to 12 mph W | 6% |
| Monday | 57°F | Mostly Sunny | 6 to 10 mph WSW | 2% |
| Monday Night | 37°F | Partly Cloudy | 9 mph SW | 4% |
| Tuesday | 60°F | Mostly Sunny then Slight Chance Light Rain | 8 to 12 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Swartz Creek, MI
Last spring frost
May 6
First fall frost
Oct 10
Growing season
155 days
Hardiness zone
6a
Explore more for Swartz Creek, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Flint Bishop Intl Ap, Mi (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.