Renfrew, PA Weather & Growing Conditions
Today
85°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 85. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Patchy Fog then Sunny | 3 mph E | 0% |
| Tonight | 64°F | Mostly Clear | 3 mph E | 0% |
| Wednesday | 87°F | Partly Sunny then Scattered Showers And Thunderstorms | 5 mph SE | 40% |
| Wednesday Night | 66°F | Scattered Showers And Thunderstorms | 3 mph SE | 50% |
| Thursday | 86°F | Showers And Thunderstorms Likely | 2 to 7 mph S | 66% |
| Thursday Night | 66°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 66% |
| Friday | 84°F | Showers And Thunderstorms | 2 to 7 mph SW | 83% |
| Friday Night | 65°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 83% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 46% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 mph SW | 46% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 21% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 24% |
| Monday | 86°F | Chance Rain Showers | 6 to 10 mph SW | 39% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 48% |
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 Aug 4, 2026.