Vandergrift, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vandergrift, a borough in Westmoreland County, Pennsylvania.
Today
78°F
Partly Sunny
Partly sunny, with a high near 78. East wind around 6 mph.
7-day forecast for Vandergrift
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Partly Sunny | 6 mph E | 3% |
| Tonight | 63°F | Showers And Thunderstorms Likely | 7 mph SE | 63% |
| Sunday | 77°F | Showers And Thunderstorms | 7 to 10 mph SW | 98% |
| Sunday Night | 53°F | Showers And Thunderstorms Likely | 10 mph N | 68% |
| Monday | 68°F | Chance Rain Showers | 12 mph NE | 34% |
| Monday Night | 51°F | Rain Showers Likely | 13 mph E | 61% |
| Tuesday | 63°F | Rain Showers Likely | 15 mph E | 61% |
| Tuesday Night | 49°F | Rain Showers Likely | 14 to 17 mph E | 58% |
| Wednesday | 61°F | Rain Showers Likely | 16 mph E | 58% |
| Wednesday Night | 49°F | Rain Showers Likely | 9 to 16 mph E | 59% |
| Thursday | 66°F | Rain Showers Likely | 12 mph E | 59% |
| Thursday Night | 48°F | Chance Showers And Thunderstorms | 5 to 12 mph NE | 26% |
| Friday | 69°F | Partly Sunny then Slight Chance Rain Showers | 6 to 9 mph NE | 15% |
| Friday Night | 48°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 9 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov) for Vandergrift (40.599, -79.576). Updated through the day.
Growing snapshot for Vandergrift
Last spring frost
Apr 29
First fall frost
Oct 20
Growing season
171 days
More local growing data for Vandergrift: nearby ZIP 15629 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Adamsburg
Arona
Avonmore
Bear Rocks
Bradenville
Calumet
Charleroi
Collinsburg
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Delmont
Derry
Donegal
East Vandergrift
Export
Fellsburg
Grapeville
Greensburg
Harrison City
Herminie
Hostetter
Hunker
Hyde Park
Industry
Irwin
Jeannette
Kiskimere
Latrobe
Laurel Mountain
Lawson Heights
Leechburg
Climate data from the nearest NOAA station, Salina 3 W, Pa (6.1 mi from Vandergrift). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.