Harman US

Bruin, PA Weather & Growing Conditions

Tonight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. Northeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 54°F Partly Cloudy 5 mph NE 5%
Saturday 76°F Partly Sunny 6 mph E 14%
Saturday Night 61°F Mostly Cloudy then Showers And Thunderstorms 6 mph SE 77%
Sunday 75°F Showers And Thunderstorms 7 mph SW 95%
Sunday Night 54°F Rain Showers Likely 8 mph N 72%
Monday 69°F Chance Rain Showers 9 mph NE 25%
Monday Night 52°F Chance Rain Showers 10 mph E 54%
Tuesday 64°F Rain Showers Likely 12 mph E 63%
Tuesday Night 50°F Showers And Thunderstorms Likely 13 mph E 63%
Wednesday 62°F Rain Showers Likely 13 mph E 63%
Wednesday Night 50°F Chance Showers And Thunderstorms 12 mph E 53%
Thursday 64°F Chance Rain Showers 9 mph E 44%
Thursday Night 49°F Slight Chance Rain Showers 3 to 7 mph E 20%
Friday 71°F Partly Sunny then Slight Chance Rain Showers 7 mph NE 17%

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.