Foster Brook, PA Weather & Growing Conditions
Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Partly Cloudy | 7 mph S | 3% |
| Wednesday | 73°F | Partly Sunny | 5 to 9 mph S | 3% |
| Wednesday Night | 56°F | Rain Showers | 10 mph S | 95% |
| Thursday | 68°F | Chance Rain Showers | 7 to 12 mph SW | 52% |
| Thursday Night | 44°F | Mostly Cloudy | 1 to 6 mph SW | 3% |
| Friday | 62°F | Slight Chance Rain Showers | 5 mph W | 18% |
| Friday Night | 39°F | Chance Rain Showers | 5 mph NW | 39% |
| Saturday | 52°F | Chance Rain Showers | 8 mph W | 44% |
| Saturday Night | 32°F | Chance Rain Showers | 8 mph W | 44% |
| Sunday | 51°F | Partly Sunny | 6 to 9 mph W | 12% |
| Sunday Night | 30°F | Chance Rain Showers | 9 mph W | 30% |
| Monday | 52°F | Chance Rain Showers | 12 mph W | 35% |
| Monday Night | 31°F | Chance Rain Showers | 12 mph SW | 35% |
| Tuesday | 55°F | Slight Chance Rain Showers | 12 to 15 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Foster Brook, PA
Last spring frost
May 7
First fall frost
Oct 11
Growing season
156 days
Hardiness zone
5b
Explore more for Foster Brook, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Olean, Ny (7.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.