Harman US

Renfrew, PA Weather & Growing Conditions

This Afternoon
76°F
Slight Chance Rain Showers
A slight chance of rain showers before 2pm. Mostly cloudy, with a high near 76. Southeast wind around 5 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 76°F Slight Chance Rain Showers 5 mph SE 18%
Tonight 62°F Showers And Thunderstorms 5 mph SE 79%
Sunday 76°F Showers And Thunderstorms 5 to 8 mph W 98%
Sunday Night 52°F Chance Showers And Thunderstorms 8 mph N 30%
Monday 67°F Chance Rain Showers 10 mph NE 28%
Monday Night 50°F Chance Rain Showers 8 to 13 mph E 53%
Tuesday 62°F Rain Showers Likely 14 mph E 56%
Tuesday Night 49°F Rain Showers Likely 15 mph E 69%
Wednesday 61°F Rain Showers Likely 15 mph E 69%
Wednesday Night 48°F Chance Rain Showers 10 to 14 mph E 52%
Thursday 65°F Chance Rain Showers 8 to 12 mph E 52%
Thursday Night 48°F Slight Chance Rain Showers 5 to 8 mph E 15%
Friday 68°F Partly Sunny 7 mph NE 13%
Friday Night 48°F Partly Cloudy 7 mph NE 12%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Renfrew, PA

Last spring frost
May 7
First fall frost
Oct 14
Growing season
159 days
Hardiness zone
6b

Explore more for Renfrew, PA: full frost dates · planting calendar · Pennsylvania frost dates

Climate data from the nearest NOAA station, Butler 2 Sw, Pa (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.