Emsworth, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Emsworth, a borough in Allegheny County, Pennsylvania.
Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Northeast wind around 6 mph.
7-day forecast for Emsworth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Partly Cloudy | 6 mph NE | 5% |
| Saturday | 78°F | Partly Sunny | 6 mph E | 7% |
| Saturday Night | 66°F | Mostly Cloudy then Showers And Thunderstorms Likely | 6 mph SE | 62% |
| Sunday | 77°F | Showers And Thunderstorms | 8 mph SW | 95% |
| Sunday Night | 59°F | Showers And Thunderstorms | 9 mph N | 95% |
| Monday | 68°F | Chance Rain Showers | 10 mph NE | 38% |
| Monday Night | 58°F | Showers And Thunderstorms Likely | 12 mph E | 59% |
| Tuesday | 65°F | Showers And Thunderstorms Likely | 13 mph E | 68% |
| Tuesday Night | 55°F | Showers And Thunderstorms Likely | 13 to 16 mph E | 68% |
| Wednesday | 63°F | Showers And Thunderstorms Likely | 14 mph E | 65% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 9 to 14 mph E | 51% |
| Thursday | 64°F | Chance Rain Showers | 9 mph E | 40% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 5 to 8 mph NE | 19% |
| Friday | 69°F | Partly Sunny | 5 to 8 mph N | 14% |
Forecast source: National Weather Service (api.weather.gov) for Emsworth (40.511, -80.096). Updated through the day.
Growing snapshot for Emsworth
Last spring frost
Apr 24
First fall frost
Oct 27
Growing season
186 days
Hardiness zone
7a
More local growing data for Emsworth: nearby ZIP 15225 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Emsworth L/D Ohio Rvr, Pa (1.3 mi from Emsworth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.