Swartz Creek, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Swartz Creek, a city in Genesee County, Michigan.
Today
87°F
Sunny
Sunny, with a high near 87. South southwest wind around 8 mph.
7-day forecast for Swartz Creek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 8 mph SSW | 0% |
| Tonight | 60°F | Mostly Clear | 7 mph SSW | 0% |
| Wednesday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 16% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 2 to 8 mph W | 75% |
| Thursday | 81°F | Showers And Thunderstorms | 2 to 6 mph WSW | 75% |
| Thursday Night | 61°F | Chance Showers And Thunderstorms | 1 to 6 mph S | 47% |
| Friday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 22% |
| Friday Night | 62°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph SW | 22% |
| Saturday | 88°F | Sunny | 3 to 10 mph SW | 5% |
| Saturday Night | 65°F | Mostly Clear then Chance Rain Showers | 5 to 10 mph SW | 29% |
| Sunday | 89°F | Chance Rain Showers | 6 to 14 mph SW | 29% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 6 to 13 mph WSW | 50% |
| Monday | 86°F | Chance Rain Showers | 9 mph WSW | 50% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 to 9 mph WSW | 46% |
Forecast source: National Weather Service (api.weather.gov) for Swartz Creek (42.964, -83.816). Updated through the day.
Growing snapshot for Swartz Creek
Last spring frost
May 6
First fall frost
Oct 10
Growing season
155 days
Hardiness zone
6a
More local growing data for Swartz Creek: nearby ZIP 48473 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Argentine
Beecher
Burton
Clio
Davison
Flint
Flushing
Gaines
Goodrich
Grand Blanc
Linden
Montrose
Mount Morris
Otisville
Climate data from the nearest NOAA station, Flint Bishop Intl Ap, Mi (4.1 mi from Swartz Creek). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.