Twin Rocks, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Twin Rocks, a community in Cambria County, Pennsylvania.
This Afternoon
71°F
Slight Chance Rain Showers
A slight chance of rain showers after 3pm. Partly sunny, with a high near 71. Southeast wind around 7 mph. Chance of precipitation is 20%.
7-day forecast for Twin Rocks
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Slight Chance Rain Showers | 7 mph SE | 15% |
| Tonight | 61°F | Showers And Thunderstorms Likely | 9 mph SE | 70% |
| Sunday | 73°F | Showers And Thunderstorms | 9 mph SW | 90% |
| Sunday Night | 52°F | Showers And Thunderstorms Likely | 7 mph N | 70% |
| Monday | 66°F | Mostly Cloudy then Chance Rain Showers | 8 mph E | 34% |
| Monday Night | 52°F | Rain Showers Likely | 7 to 12 mph E | 69% |
| Tuesday | 60°F | Rain Showers Likely | 13 mph E | 69% |
| Tuesday Night | 49°F | Rain Showers Likely | 16 mph E | 66% |
| Wednesday | 55°F | Rain Showers Likely | 13 to 16 mph E | 66% |
| Wednesday Night | 48°F | Chance Rain Showers | 15 mph E | 33% |
| Thursday | 59°F | Chance Rain Showers | 8 to 12 mph E | 33% |
| Thursday Night | 47°F | Slight Chance Rain Showers | 3 to 8 mph E | 22% |
| Friday | 65°F | Slight Chance Rain Showers | 7 mph NE | 22% |
| Friday Night | 47°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph N | 16% |
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 Sep 19, 2026.