Westmoreland County, Pennsylvania
Local growing conditions for Westmoreland County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 77 ZIP codes in our data.
Hardiness zones in Westmoreland County
Westmoreland County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Westmoreland County for its live forecast, frost dates, and planting calendar:
Bear Rocks 15610
Laurel Mountain 15655
Norvelt 15674
Fellsburg 15012
Monessen 15062
Lower Burrell 15068
Lynnwood-Pricedale 15072
Industry 15083
Level Green 15085
Webster 15087
West Newton 15089
Smithton 15448
Smithton 15479
Greensburg 15601
Adamsburg 15611
Scottdale 15612
Orchard Hills 15613
Level Green 15615
Youngwood 15616
Arona 15617
Greensburg 15619
Bradenville 15620
Harrison City 15623
Crabtree 15624
More for Pennsylvania
- Agriculture in Pennsylvania
- Frost dates across Pennsylvania
- USDA hardiness zones explained
- Planting calendar by ZIP code
← All counties in Pennsylvania
County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.