Vandergrift, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vandergrift, a borough in Westmoreland County, Pennsylvania.
This Afternoon
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 72 in the afternoon. South wind around 3 mph.
7-day forecast for Vandergrift
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 3 mph S | 1% |
| Tonight | 50°F | Mostly Clear | 5 mph SE | 2% |
| Wednesday | 78°F | Partly Sunny | 2 to 8 mph SE | 5% |
| Wednesday Night | 60°F | Light Rain | 8 mph S | 98% |
| Thursday | 71°F | Light Rain Likely | 7 to 14 mph SW | 57% |
| Thursday Night | 48°F | Partly Cloudy | 0 to 5 mph SW | 5% |
| Friday | 66°F | Partly Sunny | 0 to 7 mph W | 12% |
| Friday Night | 44°F | Chance Light Rain | 1 to 5 mph NW | 29% |
| Saturday | 56°F | Chance Light Rain | 6 to 13 mph W | 30% |
| Saturday Night | 36°F | Slight Chance Light Rain then Mostly Cloudy | 2 to 9 mph W | 24% |
| Sunday | 56°F | Partly Sunny then Slight Chance Light Rain | 3 to 12 mph SW | 18% |
| Sunday Night | 34°F | Slight Chance Light Rain | 7 to 10 mph W | 23% |
| Monday | 56°F | Chance Light Rain | 10 to 18 mph W | 32% |
| Monday Night | 35°F | Chance Light Rain | 8 to 13 mph SW | 32% |
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
Crabtree
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 Nov 3, 2026.