Rennerdale, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rennerdale, a community in Allegheny County, Pennsylvania.
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. Southeast wind around 1 mph.
7-day forecast for Rennerdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 1 mph SE | 1% |
| Wednesday | 77°F | Mostly Cloudy then Chance Light Rain | 1 to 10 mph S | 30% |
| Wednesday Night | 60°F | Light Rain | 9 to 13 mph S | 96% |
| Thursday | 68°F | Partly Sunny | 7 to 14 mph SW | 14% |
| Thursday Night | 48°F | Partly Cloudy | 2 to 6 mph SW | 1% |
| Friday | 62°F | Partly Sunny then Slight Chance Light Rain | 2 to 9 mph SW | 20% |
| Friday Night | 42°F | Chance Light Rain | 5 to 9 mph W | 31% |
| Saturday | 52°F | Chance Light Rain | 9 to 13 mph W | 30% |
| Saturday Night | 36°F | Slight Chance Light Rain | 6 to 10 mph W | 24% |
| Sunday | 54°F | Partly Sunny | 6 to 13 mph W | 6% |
| Sunday Night | 34°F | Partly Cloudy | 9 mph W | 5% |
| Monday | 55°F | Mostly Sunny | 7 to 13 mph W | 9% |
| Monday Night | 36°F | Mostly Clear | 6 to 10 mph SW | 8% |
| Tuesday | 59°F | Mostly Sunny | 10 to 14 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Rennerdale (40.400, -80.140). Updated through the day.
Growing snapshot for Rennerdale
Last spring frost
Apr 23
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
6b
More local growing data for Rennerdale: nearby ZIP 15142 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Pittsburgh Intl Ap, Pa (8.4 mi from Rennerdale). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.