Saginaw, MI Weather & Growing Conditions
Overnight
51°F
Chance Light Rain
A chance of rain. Cloudy. Low around 51, with temperatures rising to around 54 overnight. East northeast wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Chance Light Rain | 6 mph ENE | 40% |
| Saturday | 66°F | Rain Showers Likely | 5 to 8 mph E | 67% |
| Saturday Night | 55°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 8 mph E | 67% |
| Sunday | 67°F | Chance Rain Showers | 7 to 15 mph NE | 26% |
| Sunday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 15% |
| Monday | 63°F | Mostly Cloudy | 12 to 16 mph NE | 3% |
| Monday Night | 48°F | Mostly Cloudy | 10 to 16 mph NE | 4% |
| Tuesday | 63°F | Partly Sunny | 12 to 16 mph NE | 8% |
| Tuesday Night | 49°F | Mostly Cloudy then Chance Rain Showers | 10 to 16 mph ENE | 33% |
| Wednesday | 64°F | Chance Rain Showers | 13 mph ENE | 40% |
| Wednesday Night | 50°F | Chance Rain Showers | 6 to 12 mph NE | 30% |
| Thursday | 67°F | Partly Sunny | 6 to 10 mph NE | 11% |
| Thursday Night | 50°F | Mostly Cloudy | 3 to 10 mph NNE | 9% |
| Friday | 70°F | Mostly Sunny | 3 to 10 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Saginaw, MI
Last spring frost
Apr 29
First fall frost
Oct 21
Growing season
175 days
Hardiness zone
6a
Explore more for Saginaw, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Saginaw #3, Mi (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.