Bruin, PA Weather & Growing Conditions
This Afternoon
79°F
Slight Chance Light Rain
A slight chance of rain between 2pm and 4pm. Partly sunny. High near 79, with temperatures falling to around 72 in the afternoon. South wind 7 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Slight Chance Light Rain | 7 to 10 mph S | 16% |
| Tonight | 58°F | Light Rain | 5 to 9 mph S | 84% |
| Thursday | 68°F | Slight Chance Light Rain then Mostly Sunny | 6 to 10 mph SW | 24% |
| Thursday Night | 45°F | Mostly Cloudy | 5 mph SW | 0% |
| Friday | 60°F | Chance Light Rain | 3 to 7 mph W | 51% |
| Friday Night | 36°F | Chance Light Rain | 6 mph W | 51% |
| Saturday | 52°F | Chance Light Rain | 6 to 10 mph W | 52% |
| Saturday Night | 32°F | Chance Light Rain then Mostly Cloudy | 8 mph W | 52% |
| Sunday | 54°F | Partly Sunny | 7 to 10 mph W | 7% |
| Sunday Night | 31°F | Partly Cloudy | 8 mph W | 7% |
| Monday | 56°F | Mostly Sunny | 7 to 10 mph W | 10% |
| Monday Night | 32°F | Partly Cloudy | 5 to 8 mph W | 5% |
| Tuesday | 61°F | Mostly Sunny | 7 to 10 mph W | 2% |
| Tuesday Night | 31°F | Partly Cloudy | 5 mph W | 2% |
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 (15.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.