Fostoria, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fostoria, a community in Tuscola County, Michigan.
Today
87°F
Sunny
Sunny, with a high near 87. Southwest wind around 7 mph.
7-day forecast for Fostoria
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 7 mph SW | 0% |
| Tonight | 60°F | Mostly Clear | 3 to 7 mph SSW | 0% |
| Wednesday | 87°F | Mostly Sunny | 2 to 8 mph SW | 7% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 7 mph W | 76% |
| Thursday | 81°F | Showers And Thunderstorms | 1 to 6 mph W | 77% |
| Thursday Night | 60°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph ESE | 53% |
| Friday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 28% |
| Friday Night | 62°F | Chance Showers And Thunderstorms then Mostly Clear | 3 mph SSW | 28% |
| Saturday | 88°F | Sunny | 2 to 10 mph SW | 6% |
| Saturday Night | 64°F | Chance Rain Showers | 3 to 9 mph SW | 30% |
| Sunday | 89°F | Chance Rain Showers | 3 to 15 mph SW | 30% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 5 to 13 mph WSW | 48% |
| Monday | 86°F | Chance Rain Showers | 6 to 9 mph WSW | 48% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 2 to 8 mph W | 48% |
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
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Reese
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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 Aug 4, 2026.