Fostoria, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fostoria, a community in Blair County, Pennsylvania.
Tonight
47°F
Mostly Clear then Patchy Fog
Patchy fog after 5am. Mostly clear, with a low around 47. Southeast wind around 3 mph.
7-day forecast for Fostoria
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Clear then Patchy Fog | 3 mph SE | 2% |
| Wednesday | 74°F | Patchy Fog then Partly Sunny | 1 to 8 mph SE | 2% |
| Wednesday Night | 59°F | Mostly Cloudy then Rain Showers | 6 mph SE | 98% |
| Thursday | 73°F | Rain Showers Likely | 3 to 7 mph SW | 70% |
| Thursday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph W | 18% |
| Friday | 67°F | Chance Rain Showers | 2 mph W | 34% |
| Friday Night | 44°F | Slight Chance Rain Showers | 3 mph NW | 20% |
| Saturday | 58°F | Slight Chance Rain Showers | 3 to 9 mph NW | 24% |
| Saturday Night | 36°F | Slight Chance Rain Showers then Partly Cloudy | 8 mph W | 24% |
| Sunday | 57°F | Mostly Sunny | 8 mph W | 10% |
| Sunday Night | 35°F | Partly Cloudy then Slight Chance Rain Showers | 7 to 12 mph W | 18% |
| Monday | 57°F | Chance Rain Showers | 9 to 13 mph W | 26% |
| Monday Night | 36°F | Chance Rain Showers then Partly Cloudy | 10 mph W | 25% |
| Tuesday | 61°F | Mostly Sunny | 10 to 14 mph W | 9% |
Forecast source: National Weather Service (api.weather.gov) for Fostoria (40.619, -78.320). Updated through the day.
Growing snapshot for Fostoria
Last spring frost
Apr 25
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
6b
More local growing data for Fostoria: nearby ZIP 16617 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Altoona 3 W, Pa (10.4 mi from Fostoria). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.