Delmont, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delmont, a borough in Westmoreland County, Pennsylvania.
Today
85°F
Sunny
Sunny, with a high near 85. East wind around 5 mph.
7-day forecast for Delmont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 5 mph E | 0% |
| Tonight | 65°F | Partly Cloudy | 6 mph SE | 1% |
| Wednesday | 86°F | Partly Sunny then Scattered Showers And Thunderstorms | 2 to 7 mph SE | 26% |
| Wednesday Night | 67°F | Scattered Showers And Thunderstorms | 6 mph SE | 48% |
| Thursday | 86°F | Showers And Thunderstorms | 5 to 9 mph SW | 76% |
| Thursday Night | 67°F | Showers And Thunderstorms | 7 mph SW | 76% |
| Friday | 84°F | Showers And Thunderstorms | 6 to 9 mph SW | 81% |
| Friday Night | 66°F | Showers And Thunderstorms | 5 to 8 mph SW | 81% |
| Saturday | 83°F | Showers And Thunderstorms Likely | 7 to 10 mph SW | 57% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 6 to 9 mph SW | 57% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 7 to 12 mph SW | 27% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 27% |
| Monday | 87°F | Chance Showers And Thunderstorms | 10 to 15 mph SW | 43% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 7 to 12 mph SW | 50% |
Forecast source: National Weather Service (api.weather.gov) for Delmont (40.414, -79.573). Updated through the day.
Growing snapshot for Delmont
Last spring frost
Apr 29
First fall frost
Oct 20
Growing season
171 days
Hardiness zone
6b
More local growing data for Delmont: nearby ZIP 15626 weather · frost dates · planting calendar · Pennsylvania frost dates
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Level Green
Climate data from the nearest NOAA station, Salina 3 W, Pa (7.2 mi from Delmont). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.