Harman US

West Hills, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for West Hills, a community in Armstrong County, Pennsylvania.

Overnight
47°F
Mostly Clear
Mostly clear, with a low around 47. Southeast wind around 3 mph.

7-day forecast for West Hills

WhenTempForecastWindPrecip
Overnight 47°F Mostly Clear 3 mph SE 1%
Wednesday 77°F Partly Sunny 3 to 7 mph SE 3%
Wednesday Night 59°F Light Rain 9 mph S 94%
Thursday 69°F Chance Light Rain then Mostly Sunny 6 to 12 mph SW 44%
Thursday Night 45°F Partly Cloudy 1 to 5 mph SW 1%
Friday 62°F Partly Sunny then Slight Chance Light Rain 1 to 7 mph SW 15%
Friday Night 40°F Chance Light Rain 3 to 7 mph W 42%
Saturday 53°F Chance Light Rain 7 to 10 mph W 40%
Saturday Night 34°F Chance Light Rain 6 to 9 mph W 33%
Sunday 54°F Slight Chance Light Rain then Partly Sunny 6 to 12 mph W 15%
Sunday Night 31°F Partly Cloudy 8 mph W 7%
Monday 54°F Slight Chance Light Rain 7 to 12 mph W 21%
Monday Night 32°F Slight Chance Light Rain then Partly Cloudy 5 to 8 mph SW 18%
Tuesday 59°F Mostly Sunny 8 to 14 mph SW 5%

Forecast source: National Weather Service (api.weather.gov) for West Hills (40.843, -79.544). Updated through the day.

Growing snapshot for West Hills

Last spring frost
May 4
First fall frost
Oct 16
Growing season
164 days

More local growing data for West Hills: nearby ZIP 16238 weather · frost dates · planting calendar · Pennsylvania frost dates

Nearby towns & communities

All Pennsylvania locations ›

Climate data from the nearest NOAA station, Ford City 4 S Dam, Pa (5 mi from West Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.