Fostoria, MI Weather & Growing Conditions
Overnight
50°F
Chance Light Rain
A chance of rain. Cloudy. Low around 50, with temperatures rising to around 53 overnight. East northeast wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Chance Light Rain | 3 mph ENE | 32% |
| Saturday | 65°F | Rain Showers Likely | 3 to 8 mph ESE | 68% |
| Saturday Night | 53°F | Showers And Thunderstorms Likely | 3 to 7 mph E | 74% |
| Sunday | 66°F | Chance Rain Showers | 5 to 12 mph NE | 37% |
| Sunday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 7 to 10 mph NE | 28% |
| Monday | 62°F | Mostly Cloudy | 9 to 13 mph NE | 3% |
| Monday Night | 46°F | Mostly Cloudy | 7 to 13 mph NE | 6% |
| Tuesday | 61°F | Partly Sunny | 10 to 14 mph ENE | 10% |
| Tuesday Night | 48°F | Chance Rain Showers | 9 to 13 mph ENE | 40% |
| Wednesday | 62°F | Chance Rain Showers | 12 mph ENE | 40% |
| Wednesday Night | 48°F | Chance Rain Showers | 5 to 9 mph ENE | 35% |
| Thursday | 65°F | Partly Sunny then Slight Chance Rain Showers | 5 to 9 mph NE | 16% |
| Thursday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 7 mph NNE | 16% |
| Friday | 68°F | Mostly Sunny | 2 to 8 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fostoria, MI
Last spring frost
May 4
First fall frost
Oct 13
Growing season
161 days
Hardiness zone
6a
Explore more for Fostoria, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Lapeer 2W, Mi (12.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.