New Stanton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Stanton, a borough in Westmoreland County, Pennsylvania.
Tonight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 8pm and 2am, then showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 2 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for New Stanton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms | 2 to 7 mph S | 85% |
| Sunday | 78°F | Showers And Thunderstorms | 7 to 12 mph SW | 97% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 9 mph N | 62% |
| Monday | 71°F | Chance Rain Showers | 12 mph NE | 41% |
| Monday Night | 55°F | Showers And Thunderstorms Likely | 12 mph E | 67% |
| Tuesday | 67°F | Showers And Thunderstorms Likely | 10 to 17 mph E | 70% |
| Tuesday Night | 52°F | Showers And Thunderstorms Likely | 15 to 18 mph E | 70% |
| Wednesday | 62°F | Rain Showers Likely | 18 mph E | 69% |
| Wednesday Night | 51°F | Chance Rain Showers | 12 to 17 mph E | 47% |
| Thursday | 65°F | Chance Rain Showers | 13 mph E | 47% |
| Thursday Night | 49°F | Slight Chance Rain Showers | 3 to 12 mph E | 16% |
| Friday | 69°F | Slight Chance Rain Showers | 3 to 9 mph NE | 16% |
| Friday Night | 48°F | Partly Cloudy | 3 to 9 mph N | 14% |
| Saturday | 71°F | Mostly Sunny | 3 to 10 mph N | 10% |
Forecast source: National Weather Service (api.weather.gov) for New Stanton (40.222, -79.609). Updated through the day.
Growing snapshot for New Stanton
Last spring frost
May 1
First fall frost
Oct 13
Growing season
164 days
Hardiness zone
6b
More local growing data for New Stanton: nearby ZIP 15639 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Mt Pleasant, Pa (5.1 mi from New Stanton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.