Delmont, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delmont, a borough in Westmoreland County, Pennsylvania.
This Afternoon
77°F
Sunny
Sunny, with a high near 77. South wind around 5 mph.
7-day forecast for Delmont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 5 mph S | 1% |
| Tonight | 51°F | Mostly Clear | 3 to 7 mph SE | 2% |
| Wednesday | 77°F | Partly Sunny | 3 to 9 mph SE | 5% |
| Wednesday Night | 60°F | Light Rain | 10 mph S | 99% |
| Thursday | 70°F | Light Rain Likely | 8 to 16 mph SW | 56% |
| Thursday Night | 49°F | Partly Cloudy | 2 to 7 mph SW | 9% |
| Friday | 65°F | Partly Sunny | 2 to 8 mph W | 13% |
| Friday Night | 44°F | Chance Light Rain | 3 to 7 mph NW | 28% |
| Saturday | 55°F | Chance Light Rain | 7 to 15 mph W | 30% |
| Saturday Night | 37°F | Slight Chance Light Rain then Partly Cloudy | 5 to 12 mph W | 23% |
| Sunday | 55°F | Partly Sunny then Slight Chance Light Rain | 6 to 14 mph SW | 17% |
| Sunday Night | 35°F | Slight Chance Light Rain | 10 to 14 mph W | 23% |
| Monday | 55°F | Chance Light Rain | 14 to 21 mph W | 32% |
| Monday Night | 35°F | Chance Light Rain | 12 to 16 mph SW | 32% |
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 Nov 3, 2026.