Twin Rocks, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Twin Rocks, a community in Cambria County, Pennsylvania.
Today
81°F
Sunny
Sunny, with a high near 81. Southeast wind around 5 mph.
7-day forecast for Twin Rocks
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 5 mph SE | 0% |
| Tonight | 64°F | Partly Cloudy | 5 mph SE | 1% |
| Wednesday | 81°F | Partly Sunny then Chance Showers And Thunderstorms | 6 mph SE | 34% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms | 5 mph SE | 47% |
| Thursday | 81°F | Showers And Thunderstorms | 6 mph SW | 84% |
| Thursday Night | 66°F | Showers And Thunderstorms | 5 mph SW | 84% |
| Friday | 81°F | Showers And Thunderstorms | 6 mph SW | 80% |
| Friday Night | 65°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 80% |
| Saturday | 79°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 8 mph SW | 50% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 6 mph SW | 50% |
| Sunday | 82°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 21% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 21% |
| Monday | 82°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 10 mph W | 33% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 46% |
Forecast source: National Weather Service (api.weather.gov) for Twin Rocks (40.503, -78.857). Updated through the day.
Growing snapshot for Twin Rocks
Last spring frost
May 17
First fall frost
Oct 2
Growing season
136 days
Hardiness zone
6a
More local growing data for Twin Rocks: nearby ZIP 15960 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Ebensburg Sewage Plt, Pa (6.7 mi from Twin Rocks). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.