Fostoria, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fostoria, a community in Tuscola County, Michigan.
Tonight
60°F
Mostly Cloudy
Mostly cloudy, with a low around 60. South wind around 9 mph, with gusts as high as 22 mph.
7-day forecast for Fostoria
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Mostly Cloudy | 9 mph S | 3% |
| Wednesday | 69°F | Light Rain | 10 to 14 mph S | 88% |
| Wednesday Night | 49°F | Light Rain then Mostly Cloudy | 7 to 13 mph SSW | 83% |
| Thursday | 60°F | Mostly Cloudy then Slight Chance Light Rain | 8 to 13 mph SW | 22% |
| Thursday Night | 42°F | Chance Light Rain | 2 to 7 mph W | 47% |
| Friday | 53°F | Light Rain Likely | 3 to 9 mph NW | 55% |
| Friday Night | 35°F | Chance Light Rain | 5 to 8 mph NNW | 45% |
| Saturday | 50°F | Chance Light Rain then Partly Sunny | 8 mph NW | 29% |
| Saturday Night | 29°F | Partly Cloudy | 3 mph W | 5% |
| Sunday | 55°F | Mostly Sunny then Slight Chance Light Rain | 3 to 10 mph WSW | 15% |
| Sunday Night | 31°F | Slight Chance Light Rain then Partly Cloudy | 5 to 8 mph WNW | 15% |
| Monday | 56°F | Mostly Sunny | 6 to 10 mph W | 11% |
| Monday Night | 35°F | Partly Cloudy | 8 mph WSW | 8% |
| Tuesday | 58°F | Mostly Sunny | 8 to 13 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Fostoria (43.253, -83.362). Updated through the day.
Growing snapshot for Fostoria
Last spring frost
May 4
First fall frost
Oct 13
Growing season
161 days
Hardiness zone
6a
More local growing data for Fostoria: nearby ZIP 48435 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Akron
Barnes Lake
Caro
Cass City
Fairgrove
Gagetown
Kingston
Mayville
Millers Lake
Millington
Reese
Unionville
Vassar
Climate data from the nearest NOAA station, Lapeer 2W, Mi (12.9 mi from Fostoria). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.