Bruin, PA Weather & Growing Conditions
Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Cloudy | 5 mph E | 1% |
| Saturday | 75°F | Mostly Cloudy | 6 mph E | 4% |
| Saturday Night | 60°F | Showers And Thunderstorms | 6 mph SE | 84% |
| Sunday | 75°F | Showers And Thunderstorms | 8 mph SW | 95% |
| Sunday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 8 mph N | 45% |
| Monday | 67°F | Mostly Cloudy then Chance Rain Showers | 9 mph NE | 25% |
| Monday Night | 48°F | Chance Rain Showers | 7 to 10 mph E | 54% |
| Tuesday | 62°F | Rain Showers Likely | 12 mph E | 55% |
| Tuesday Night | 47°F | Rain Showers Likely | 14 mph E | 57% |
| Wednesday | 59°F | Rain Showers Likely | 14 mph E | 57% |
| Wednesday Night | 47°F | Rain Showers Likely | 12 mph E | 62% |
| Thursday | 65°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 10 mph E | 62% |
| Thursday Night | 46°F | Slight Chance Showers And Thunderstorms | 7 mph E | 24% |
| Friday | 68°F | Partly Sunny then Slight Chance Rain Showers | 7 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bruin, PA
Last spring frost
May 7
First fall frost
Oct 14
Growing season
158 days
Hardiness zone
6a
Explore more for Bruin, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Slippery Rock 1 Ssw, Pa (17 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.