Leetsdale, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Leetsdale, a borough in Allegheny County, Pennsylvania.
Overnight
55°F
Mostly Clear
Mostly clear, with a low around 55. Southeast wind 1 to 5 mph.
7-day forecast for Leetsdale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Mostly Clear | 1 to 5 mph SE | 1% |
| Wednesday | 76°F | Mostly Cloudy then Chance Light Rain | 5 to 9 mph S | 40% |
| Wednesday Night | 59°F | Light Rain | 7 to 12 mph S | 94% |
| Thursday | 67°F | Mostly Sunny | 6 to 10 mph SW | 7% |
| Thursday Night | 48°F | Partly Cloudy | 1 to 5 mph SW | 1% |
| Friday | 61°F | Partly Sunny then Slight Chance Light Rain | 2 to 7 mph SW | 17% |
| Friday Night | 43°F | Chance Light Rain | 3 to 7 mph W | 37% |
| Saturday | 52°F | Chance Light Rain | 7 to 10 mph W | 32% |
| Saturday Night | 37°F | Chance Light Rain | 5 to 8 mph W | 25% |
| Sunday | 54°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 35°F | Partly Cloudy | 7 mph W | 5% |
| Monday | 55°F | Mostly Sunny | 5 to 9 mph W | 10% |
| Monday Night | 37°F | Mostly Clear | 7 mph SW | 8% |
| Tuesday | 59°F | Mostly Sunny | 7 to 12 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Leetsdale (40.564, -80.216). Updated through the day.
Growing snapshot for Leetsdale
Last spring frost
Apr 8
First fall frost
Nov 8
Growing season
212 days
Hardiness zone
7a
More local growing data for Leetsdale: nearby ZIP 15056 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Glenwillard Dashields L&D, Pa (1.2 mi from Leetsdale). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.