West Leechburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Leechburg, a borough in Westmoreland County, Pennsylvania.
Today
86°F
Sunny
Sunny, with a high near 86. Southeast wind around 5 mph.
7-day forecast for West Leechburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 5 mph SE | 0% |
| Tonight | 65°F | Mostly Clear | 5 mph E | 1% |
| Wednesday | 87°F | Mostly Sunny then Scattered Showers And Thunderstorms | 1 to 6 mph SE | 34% |
| Wednesday Night | 68°F | Scattered Showers And Thunderstorms | 5 mph SE | 50% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 2 to 7 mph SW | 74% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 74% |
| Friday | 85°F | Showers And Thunderstorms | 2 to 8 mph SW | 81% |
| Friday Night | 66°F | Showers And Thunderstorms | 2 to 7 mph SW | 81% |
| Saturday | 84°F | Showers And Thunderstorms Likely | 5 to 8 mph SW | 60% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 3 to 7 mph SW | 60% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 3 to 10 mph SW | 28% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 8 mph SW | 28% |
| Monday | 88°F | Chance Showers And Thunderstorms | 8 to 12 mph SW | 43% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 49% |
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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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 Aug 4, 2026.