West Leechburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Leechburg, a borough in Westmoreland County, Pennsylvania.
This Afternoon
77°F
Mostly Sunny
Mostly sunny, with a high near 77. North wind around 8 mph.
7-day forecast for West Leechburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Mostly Sunny | 8 mph N | 10% |
| Tonight | 56°F | Partly Cloudy | 7 mph NE | 10% |
| Saturday | 78°F | Partly Sunny | 6 mph E | 5% |
| Saturday Night | 64°F | Mostly Cloudy then Showers And Thunderstorms Likely | 5 to 8 mph SE | 64% |
| Sunday | 77°F | Showers And Thunderstorms | 6 to 9 mph SW | 97% |
| Sunday Night | 58°F | Showers And Thunderstorms | 9 mph N | 97% |
| Monday | 70°F | Chance Rain Showers | 12 mph NE | 35% |
| Monday Night | 56°F | Showers And Thunderstorms Likely | 13 mph E | 62% |
| Tuesday | 66°F | Showers And Thunderstorms Likely | 15 mph E | 69% |
| Tuesday Night | 53°F | Showers And Thunderstorms Likely | 14 to 17 mph E | 65% |
| Wednesday | 64°F | Showers And Thunderstorms Likely | 15 mph E | 63% |
| Wednesday Night | 52°F | Chance Showers And Thunderstorms | 9 to 15 mph E | 51% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 10 mph E | 42% |
| Thursday Night | 52°F | Slight Chance Rain Showers | 5 to 9 mph NE | 23% |
Forecast source: National Weather Service (api.weather.gov) for West Leechburg (40.634, -79.619). Updated through the day.
Growing snapshot for West Leechburg
Last spring frost
Apr 21
First fall frost
Oct 30
Growing season
190 days
Hardiness zone
6b
More local growing data for West Leechburg: nearby ZIP 15656 weather · frost dates · planting calendar · Pennsylvania frost dates
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Leechburg
Climate data from the nearest NOAA station, Schenley Lock 5, Pa (3.9 mi from West Leechburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.