Renfrew, PA Weather & Growing Conditions
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. Southeast wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 1 to 5 mph SE | 1% |
| Wednesday | 76°F | Mostly Cloudy then Chance Light Rain | 5 to 9 mph S | 25% |
| Wednesday Night | 58°F | Light Rain | 10 mph S | 93% |
| Thursday | 68°F | Mostly Sunny | 6 to 12 mph SW | 12% |
| Thursday Night | 44°F | Partly Cloudy | 1 to 5 mph SW | 1% |
| Friday | 61°F | Partly Sunny then Slight Chance Light Rain | 1 to 7 mph SW | 15% |
| Friday Night | 39°F | Chance Light Rain | 3 to 7 mph W | 44% |
| Saturday | 55°F | Chance Light Rain | 6 to 10 mph W | 37% |
| Saturday Night | 35°F | Chance Light Rain then Mostly Cloudy | 3 to 7 mph W | 29% |
| Sunday | 54°F | Partly Sunny then Slight Chance Light Rain | 3 to 9 mph W | 17% |
| Sunday Night | 32°F | Slight Chance Light Rain | 8 mph W | 20% |
| Monday | 56°F | Chance Light Rain | 8 to 13 mph W | 31% |
| Monday Night | 34°F | Chance Light Rain then Partly Cloudy | 6 to 9 mph SW | 31% |
| Tuesday | 59°F | Mostly Sunny | 10 to 14 mph W | 11% |
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 Nov 4, 2026.