Harman US

Twin Rocks, PA Weather & Growing Conditions

Tonight
61°F
Showers And Thunderstorms Likely
A chance of rain showers before 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Southeast wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 61°F Showers And Thunderstorms Likely 10 mph SE 71%
Sunday 73°F Showers And Thunderstorms 9 mph SW 89%
Sunday Night 53°F Showers And Thunderstorms Likely 8 mph N 69%
Monday 65°F Mostly Cloudy then Chance Rain Showers 9 mph E 35%
Monday Night 52°F Rain Showers Likely 8 to 13 mph E 70%
Tuesday 60°F Rain Showers Likely 13 mph E 70%
Tuesday Night 49°F Rain Showers Likely 14 to 18 mph E 65%
Wednesday 55°F Rain Showers Likely 14 to 17 mph E 65%
Wednesday Night 48°F Chance Rain Showers 13 to 16 mph E 33%
Thursday 59°F Chance Rain Showers 8 to 13 mph E 33%
Thursday Night 47°F Slight Chance Rain Showers 5 to 8 mph E 23%
Friday 64°F Slight Chance Rain Showers 7 mph NE 23%
Friday Night 47°F Slight Chance Rain Showers 7 mph N 16%
Saturday 66°F Slight Chance Rain Showers then Mostly Sunny 5 to 8 mph N 15%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Twin Rocks, PA

Last spring frost
May 17
First fall frost
Oct 2
Growing season
136 days
Hardiness zone
6a

Explore more for Twin Rocks, PA: full frost dates · planting calendar · Pennsylvania frost dates

Climate data from the nearest NOAA station, Ebensburg Sewage Plt, Pa (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.